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Shravya from Thakur Public School, Mumbai
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

Post Your Answer

Sohana Roy Barman from Delhi Public School, Durgapur
Subject :NSO    Class : Class 4

Ans 1:

Sanjana Roy from Veal International school, Chennai , Tamil Nadu
Class : Class 4
(A) 6

Ans 2:

Kanjani Ghonge from Ira Global School, Dombivli
Class : Class 8
I also counted.........6

Ans 3:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5
(A) 6..........I counted

Ans 4:

Dhairya Godbole from KLE Eng Medium School, SOLAPUR
Class : Class 6
8, I am sure this is correct answer

Ans 5:

ADITYA ROY from VIDYASAGAR SHISHU NIKETAN, MEDINIPUR
Class : Class 5
The correct answer is six.

Post Your Answer

Sanjana Roy from Veal International school, Chennai , Tamil Nadu
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

Post Your Answer

Haroon T K from Silver Hills public school , Calicut
Subject :NSO    Class : Class 5

Ans 1:

Ansh singh from Dav model school, Durgapur
Class : Class 5

Ans 2:

Suhani from DPSG, Modinagar
Class : Class 9
the most appropriate answer is option B

Ans 3:

CHEERANJIT MOHANTA from MATHOPE, BHUBANESWAR
Class : Class 5
answer will only B

Ans 4:

rachana sapre from Orion ICSE school, Mumbai
Class : Class 3
answer is b

Ans 5:

Ansh singh from Dav model school, Durgapur
Class : Class 5
This is truly unfair. How can you tell simply without any proof that C is the answer? Fix the problem or else it will create harm to the new students who are giving the test. We, the students are losing confidence too because of these types of questions. Please try to understand us also! It is ruining our whole session of olympiads.

Ans 6:

Aarna gupta from Nps international , Singapore
Class : Class 6

Ans 7:

Shivesh Senthilkumar from vels vidyashram, chennai
Class : Class 6
c is not supposed to be the answerit should be b

Ans 8:

hridhaan solanki from gyanshree, noida
Class : Class 7
B

Ans 9:

Smita De from Bishop Cotton Girls School, BANGALORE
Class : Class 5
the correct ans is supposed to be B. how is it C. I have no clue.

Ans 10:

Manasvi Nagpal from blooming dales international school, sri ganganagar
Class : Class 5

Ans 11:

Diya Anilkumar from DPS Bangalore North, Bangalore
Class : Class 5
The answer is B if the question is right. C is the wrong answer

Ans 12:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 8
the answer is b but they are showing it as c this is an error even the solution has the wrong picture posted and they didnt even notice so i will request sof to kindly make the issue resolve

Ans 13:

Dhruv Kumar from St Peters Sr. Sec.School, Sector 37B Chandigarh
Class : Class 5
Ans should be B only.

Ans 14:

A Ramakrishna Rao from D A V Public School. Unit 8. Bhubaneswar , Bhubaneswar
Class : Class 6
Shreyansh Nayak D.A.V Public School, Bhubaneswar,IndiaANS B

Ans 15:

Kartik Chauhan from Euro school , Pune
Class : Class 7
Answer is B .Can anyone explain how the ans came C

Ans 16:

SRIRAM SRINIVASAN PAKU from KENDRIYA VIDHALAYA ASHOK NAGAR, CHENNAI
Class : Class 6
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Ans 17:

MANAS from THE PUPIL ECO SCHOOL, CHENNAI
Class : Class 5
It is B

Ans 18:

puppy from panaji school, Goa
Class : Class 7
the ans is supposed to be B.

Ans 19:

Ahan Biswas from National Public School, Bangalore
Class : Class 8
The answer is b

Ans 20:

Saransh Agrawal from Meridian School, Hyderabad
Class : Class 9
ANS-B

Ans 21:

Aryan Sirohi from Mount LItera Zee School, Bangalore
Class : Class 8
Ans :- B

Ans 22:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is B. It's an error.

Ans 23:

Swastik Srivastava from Baldwin Boys High School, Bangalore
Class : Class 5
its B

Ans 24:

Archishman Pal from Sri Krishna Mission School, Agartala
Class : Class 9

Ans 25:

Advait kaushik from Ryan international school, Gurugram
Class : Class 8
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

Ans 26:

AHELI CHAKRABARTI from BGS INTERNATIONAL PUBLIC SCHOOL, DWARKA
Class : Class 3
it is B only.

Ans 27:

Adarsh from DPS, Raipur
Class : Class 5
The answer is 'B'

Ans 28:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 9
The correct answer should be Option B not Option C.

Ans 29:

Aishee Sarkar from St. Stephens School , Kolkata , West Bengal, Kolkata
Class : Class 4
ACCURATE ANSWER IS B.

Ans 30:

Sara Kapoor from Manav Rachna International School charmwood, Faridabad
Class : Class 7
we should report an error ANS is B

Ans 31:

Dvij Agrawal from Lotus Valley International School, Gurgaon
Class : Class 5
B

Ans 32:

Anagh Jain from Narayana, Gurgaon
Class : Class 5

Ans 33:

Ishan Boggarapu from NPS Whitefield, Bangalore
Class : Class 7
ans is B sof pls correct the ans of this question

Ans 34:

rishi karthik from Bvm Global, chennai
Class : Class 5
ans b

Ans 35:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
BBBBBBB

Ans 36:

Rishabh Rathi from Blue Ridge Public School, Pune
Class : Class 5
it is b.It is saying c.

Ans 37:

Devrajan from Amity International School, Noida
Class : Class 8
Answer is B

Ans 38:

ISHAN MITRA from NATIONAL GEMS HIGHER SECONDARY SCHOOL, KOLKATA
Class : Class 4
The answer is B

Ans 39:

Tanisha riyana pradeep from Chennai public school, Chennai
Class : Class 5

Ans 40:

SRIRAM SRINIVASAN PAKU from KENDRIYA VIDHALAYA ASHOK NAGAR, CHENNAI
Class : Class 6
answer should be b

Ans 41:

Sanskar Gautam from dps, dadri
Class : Class 5
yes, it will be answer B ,but how can be C

Ans 42:

Kavin from ISG , Muscat, Muscat
Class : Class 5
Ans = B

Ans 43:

PRANSHU MOHANTY from INDIRA GANDHI MEMORIAL HIGH SCHOOL, KOLKATA
Class : Class 5
Answer is b

Ans 44:

Abhaas Gupta from Jubilee Hills Public School, Hyderabad
Class : Class 5
Ans B

Ans 45:

Saloni Saini from JPHS, Jaipur
Class : Class 6
ans is B

Ans 46:

AHELI CHAKRABARTI from BGS INTERNATIONAL PUBLIC SCHOOL, DWARKA
Class : Class 3
Its a defective question as answer is 'B' but they have given 'C'.

Ans 47:

Anagh Jain from Narayana, Gurgaon
Class : Class 5
ans is B they have given wrong that the ans is C

Ans 48:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 49:

Arnav Raj Sharma from Dpsvk, Gurgaon
Class : Class 9
(Master answer) the correct answer is (B) only all are right

Ans 50:

Siddhant Singhania from The Assembly of God Church School, Purulia, Purulia
Class : Class 8
thanx and yes

Ans 51:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 9
Answer is B

Ans 52:

Ishita Mehra from Trinity Convent, Vidisha
Class : Class 9
ans b

Ans 53:

Sahasra Shanker from KV IIT, Chennai
Class : Class 6

Ans 54:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
Excuse me , Mr . SOF ! You want that we will do wrong in exams ? It does not matter for you , but it matters for us . We will get less marks . Just think that we are paying too much and for that we are getting wrong answers ?

Ans 55:

Sumit Biswal from Dps gandhinagar, Gandhinagar
Class : Class 7
Hello PLZZ fix this issue I always loose confident on this type of questions when my answer is correct but you say incorrect. This is so annoying

Ans 56:

kaustubh from wisdom world school, pune
Class : Class 5
They have given a wrong answer.The actual answer is 'B' not 'C'.

Ans 57:

Neh singla from Delhi public school, Chandigarh
Class : Class 5
the correct answer is b

Ans 58:

Vedant from DON BOSCO, CHENNAI
Class : Class 2
mr.sof we paid so much money for olympiad and we get these stupid bugs like the correct option is wrong you want us to get less marks it matters to me tho if more of these come in the future im gonna un subscribe

Ans 59:

Hari Govind from Delhi Public School Chandigarh , Chandigarh
Class : Class 6
AnsweAnswer should be option b

Ans 60:

Mahadevan from KV Rubber Board Kottayam, Kottayam
Class : Class 9
B

Ans 61:

Thejas S from Gopalan International School, Bangalore
Class : Class 3
b of course mr sof what a question

Ans 62:

HARSHITHA BALASUBRAMANIAN from SRIMATHI SUNDARAVALLI MEMORIAL SCHOOL, PERUNGALATHUR CHENNAI
Class : Class 6
its supposed to be B.How in the world is it C

Ans 63:

Mannat Verma from Vivek High School , Chandigarh
Class : Class 6

Ans 64:

bhargav balaji from National Public School, Bengaluru
Class : Class 9
ans is B

Ans 65:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4
Master Answer required.

Ans 66:

Ishan sandip chaudhari from Divine Child International School, Ahmedabad
Class : Class 5
B is the right Ans.

Ans 67:

AARAV AGRAWAL from BIRLA DIVYA JYOTI, SILIGURI
Class : Class 8
Master Answer- The answer should be B because the alphabet is symmetrical with a diagonal at the top left corner and the diagonal lines are facing the same way . Thus, the answer should be option B.

Ans 68:

Ashwak from Cambridge, Jalandhar
Class : Class 9
There is an error in this question . The correct answer is B

Ans 69:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
ans is B this bekar Sof is wrong

Ans 70:

SIDDHARTH UPADHYAY from KENDRIYA VIDYALAYA EZHIMALA, KANNUR
Class : Class 4
The actual answer is B

Ans 71:

Ronav Kerkar from Jamnabai Narsee School, Mumbai
Class : Class 7
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Ans 72:

Anika Saha from New Town School, KOLKATA
Class : Class 6
answer is b

Ans 73:

Pratiksha Panda from Sri Kumaran's School, Bangalore
Class : Class 5
ANSWER IS B.

Ans 74:

Vedant from DON BOSCO, CHENNAI
Class : Class 2
answer=b

Ans 75:

Inez from Vibgyor High Airoli, bangalore
Class : Class 5
Ans. should be B.

Ans 76:

J Srinidhi from narayana, Hyderabad
Class : Class 7
The correct answer is B

Ans 77:

VEEHAN GURAV from Pawar public school Bhandup, Mumbai
Class : Class 5
it is b

Ans 78:

Shaurya Shrivastava from Amanora school, Pune
Class : Class 6
The answer should be (B) because in the abpve part we see that the lines in triangle are going in same direction. I was going to give (c) by then i saw that and changed my answer and as all said some 4 years ago too it should have been fixed by now. Else give us a proper solution.

Ans 79:

Aishee Sarkar from St. Stephens School , Kolkata , West Bengal, Kolkata
Class : Class 4
the correct answer is B.

Ans 80:

Dishita Singh from DPS Chandigarh, chandigarh
Class : Class 8
the answer should and supposed to be B

Ans 81:

Prath from Vibgor High, Bangalore
Class : Class 10
Answer is B

Ans 82:

Aditya Arora from lvis, ggn
Class : Class 5
Ans B

Ans 83:

Ayan from NPSI, SG
Class : Class 7
The answer is B. There must be an error in the picture for the rules on "p" are not being applied on "s". This does not make sense

Ans 84:

Arun from SOT, chennai
Class : Class 6
B IS THE CORRECT ANSWER

Ans 85:

Rohan TR from Sri Aurobindo memorial school, Bangalore
Class : Class 6
It is b

Ans 86:

Swastik from st marys school, new delhi
Class : Class 6
the answer is supposed to be B . there's an error in this question.

Ans 87:

Dakshata Banerjee from Chrysalis High, Bangalore
Class : Class 5

Ans 88:

Mannat Verma from Vivek High School , Chandigarh
Class : Class 6

Ans 89:

sankerths s from Shishya BELM public School, Bangalore
Class : Class 10
b

Ans 90:

Vedant from DON BOSCO, CHENNAI
Class : Class 2
its b because the triangles on the top will not become opposite

Ans 91:

krishneil from Elpro international school, Pune
Class : Class 6
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB

Post Your Answer

Manishika Nayak from Shree Swaminarayan Gurukul, Vapi
Subject :NSO    Class : Class 6

Post Your Answer

Nisha Nair from City , Pune
Subject :NSO    Class : Class 7

Ans 1:

Catherine Janet from Jubilee hills public school, Hyderabad
Class : Class 7
yes

Ans 2:

Admin fly from Ddssxxx, Ax
Class : Class 1
l

Ans 3:

thechampiondaksh from K R Mangalam World School, New Delhi
Class : Class 8
THERE IS A DIFFERENCE BETWEEN THE TWO IN THE INNER ;LAYER OBSERVE CAREFULLY

Post Your Answer

Mayank Gupta from Kulachi Hansraj Model School, New Delhi
Subject :NSO    Class : Class 7

Ans 1:

Rithvik from BVM Global, Chennai
Class : Class 9
ans is a because time period = 2 pie square root of lenght by gravity's acceleration

Ans 2:

Pranav Arun from garib school, Mumbai
Class : Class 8
shut up papaya

Ans 3:

Papiya Biswas from ARMY PUBLIC SCHOOL, Kolkata
Class : Class 5
ans. (A)

Ans 4:

Himanish Basu from Army Public School Kamaraj Road, Bangalore
Class : Class 7
Who's papaya?

Ans 5:

Manvi Mundepi from Montfort School Roorkee, Roorkee
Class : Class 9
why is that so?

Ans 6:

prakash jahagirdar from amanora school, Pune
Class : Class 7
Ans B :

Ans 7:

POORVA MEHROTRA from STUDY HALL LUCKNOW, Lucknow
Class : Class 8

Ans 8:

Rithvik from BVM Global, Chennai
Class : Class 9
he meant papiya

Post Your Answer

Rishab from OWS, New Delhi
Subject :NSO    Class : Class 5

Ans 1:

Nabeel husain from Vibgyor high, Pune
Class : Class 5
Old gibbous

Ans 2:

Priydarshini sehgal from The Shri ram school aravalli, Gurgaon
Class : Class 8
It should be "old gibbous" as in 15 days "no moon" becomes "full moon". The "new crescent moon" is a stage after no moon ,so in 15 days it will become a stage after new moon which is old gibbous.

Ans 3:

Harsh Sobti from the samhita academy, BLR
Class : Class 5

Ans 4:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 5:

Abhaas Gupta from Jubilee Hills Public School, Hyderabad
Class : Class 5
D Full Moon

Ans 6:

Sarang Shete from Amanora School, Pune
Class : Class 8
it should be old gibbous.

Ans 7:

Mithul Pranav KB from Narayana Olympiad School Madipakkam, Chennai
Class : Class 5

Post Your Answer

HARMEHAR KAUR from CJM AMBALA CANTT , Ambala Cantt
Subject :NSO    Class : Class 5

Ans 1:

Saloni Saini from JPHS, Jaipur
Class : Class 6
A

Ans 2:

Aishee Sarkar from St. Stephens School , Kolkata , West Bengal, Kolkata
Class : Class 4
I think [c] Bag shall be the answer.

Ans 3:

Abhaas Gupta from Jubilee Hills Public School, Hyderabad
Class : Class 5
(c) Bag

Ans 4:

Tanvi Nirmal from Ravindra Bharathi Global School, Chennai
Class : Class 5
i think c too but answer in book says a

Post Your Answer

rupa from jss, Dubai
Subject :NSO    Class : Class 4

Ans 1:

shivan iyer from dr pillai global academy, MUMBAI
Class : Class 4
WHY NOT B AND D ? VENUS SPINS ANTI-CLOCKWISE???????????????????????

Ans 2:

Kriti Bhonsale from Delhi Public School, Bengaluru
Class : Class 5
it is jupiter because it says that choose the odd one out on the basis of composition which means we have to choose the odd one out on the basis of what they are made up of as earth , venus and mars are rocky planet whereas jupiteris a gaseous planet so it is D

Ans 3:

Khanak Jha from Prime Academy, Mumbai
Class : Class 4
but it is d because the question says that we have to say the odd one outby its strature

Ans 4:

Deepayan Das from South Point High School, Kolkata
Class : Class 6

Ans 5:

Tanirika Bansal from DPS Faridabad, Faridabad
Class : Class 4
it can be B [VENUS] BECAUSE IT HAS NO MOONS

Ans 6:

Deepayan Das from South Point High School, Kolkata
Class : Class 6

Ans 7:

Avya Pandey from NPS International, Singapore
Class : Class 8
It can be Venus, Earth or Jupiter.

Ans 8:

Mahati p from cornerstone the public school, deepthi sreenagar colony hyderabad
Class : Class 6
It can also be Earth because it is the only living planet

Ans 9:

Lakshana from SBOA School and Junior College, Chennai
Class : Class 6

Ans 10:

shivan iyer from dr pillai global academy, MUMBAI
Class : Class 4
d

Ans 11:

Deepayan Das from South Point High School, Kolkata
Class : Class 6

Ans 12:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 5
d

Ans 13:

Khanak Jha from Prime Academy, Mumbai
Class : Class 4
it can be earth venus and jupiter because earth is only where life exists venus turns anti clock wise jupiter is an outer planet and it is made up of gas

Ans 14:

Shailaja Divakar from Chennai public school global school, London
Class : Class 6
It can be B,C and D because Venus does not have any moon and spins anti-clockwise, Earth is the only planet we live and Jupiter because it is a gas giant and is the more than 10 moons.

Ans 15:

Ashwak from Cambridge, Jalandhar
Class : Class 9
it can also be like this - Venus-Earth and Mars are inner planets and Jupiter is an outer planet.

Ans 16:

Priyanshi from Delhi Public School, Gurugram
Class : Class 4

Ans 17:

Indrasish Chakraborty from Delhi Public School JOKA South Kolkata, Kolkata
Class : Class 5
Why it cannot be Earth

Ans 18:

Student from School, City
Class : Class 8
jk.hfrdtdtdtdtdtdtgggggggggghltirrrrrrrrrrrrrrrrrrrrrrrrrrbbbbbbbbbbbbbbbbbbbfhjhsaldghfk;lgafds this answer is incorrect.

Tap this button to see correct answerjukyqe2222222222222222gr2kjjjjjjjjjjjjjjjjjjjjjjjjweffffffffffffffffjkuyy


Ans 19:

PRAGWANSH JENA from DELHI PUBLIC SCHOOL, Raipur
Class : Class 8

Ans 20:

Diya Jasmina from Samsidh MLZS, Bengaluru
Class : Class 4
they're asking composition that means of how it was made so D is the wright answer.

Ans 21:

somesh from Centre point katol road, Nagpur
Class : Class 6
Jupiter is a planet made of gas but others are not made of gas

Ans 22:

Soham from Vibgyor , Pune
Class : Class 8
Answer is D because Jupiter is made of dust and gases while Mercury ,Venus and Earth are rocky planets.

Ans 23:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 7
It is D

Ans 24:

Goutham from lt, Chennai
Class : Class 4
It can Be A-only red planet, B-rotates anti-clockwise, C-only planet with life, D-largest planet and has hydrogen gas. So it could be all of them

Ans 25:

Swarnava Pal from Vivekananda Mission School, Haldia
Class : Class 8
It can be D because Jupiter is the largest planet .

Ans 26:

SHARANYA from PSBB SS SCHOOL, CHENNAI
Class : Class 4
There are three possible correct answers out f the4 options as the answers can be B -Venus, C- Earth and D- Jupiter .

Ans 27:

Swarnava Pal from Vivekananda Mission School, Haldia
Class : Class 8

Ans 28:

Jeronee from Christwood School, PERUMBAKKAM
Class : Class 5
only earth consists of water

Ans 29:

Midhuna from ABCD, Banglore
Class : Class 3
Yes the correct answers is D

Ans 30:

Midhuna from ABCD, Banglore
Class : Class 3

Ans 31:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4

Ans 32:

Ritwika Biswas from KV no 1 , Goa
Class : Class 7
but venus has no moons therefore option (B)

Ans 33:

Shaurya Veer from Army Public School ASC C and C , Bangalore
Class : Class 10
It can be c or d

Ans 34:

Krisha Saini from GEA, Mumbai
Class : Class 2
IT'S JUPITER!!!!!!!!!!!!!

Ans 35:

DEVAANGANA SARDAR from G.D. Birla Centre for Education, Kolkata
Class : Class 7

Ans 36:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 7
Okay everyone, it seems to be that you guys really aren't paying any attention to the whole question.Dear friends, the question says that we have to decide the odd one out on the basis of composition(on what it is made of), not anything else.If you see it this way, Jupiter is the odd one out, not Earth,Venus or Mars, because it is the only planet made of gases, mostly hydrogen. All the other ones are rocky or terrestrial planets, made mostly of rocks and metals, molten or solid.

Ans 37:

Devishi lakhera from delhi public school , haldwani
Class : Class 4

Ans 38:

Yatindra G from SBOA, Chennai
Class : Class 4
the answer is (a) because earth is the only Terrestrial planet

Ans 39:

shivan iyer from dr pillai global academy, MUMBAI
Class : Class 4
d

Ans 40:

shivan iyer from dr pillai global academy, MUMBAI
Class : Class 4

Ans 41:

Shubham Majhi from Sri Chaitanya Techno School, Bangalore
Class : Class 5
only Jupiter is a gaseous planet ,which is made out of rocks . Jupiter is an outer planet , while earth, Venus and Mercury are inner planets .

Ans 42:

Arnav kaul from Chirec, Hyderabad
Class : Class 2
D because it is a gaseous planet.

Ans 43:

Dev Surti from St. Peter's Primary Highschool, Virar
Class : Class 9
It can be Venus also because it rotates in anti-clockwise direction.

Ans 44:

Niveditha Praveenkumar from Loyola International School , Doha
Class : Class 4

Ans 45:

Shailaja Divakar from Chennai public school global school, London
Class : Class 6
Actually, Jupiter is the right answer. They asked us to find the odd one out in terms of composition or what they are made up of. Since Jupiter is a gas giant with mostly hydrogen and Earth,Venus and mars are rocky planets with many valuable elements, the answer is D.

Ans 46:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
d is the correct answer

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