National Science Olympiad Forum By SOF Olympiad Trainer - Page 678
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SOHUM SIDDHARTH from DPS Noida, Delhi
Subject :NSO    Class : Class 2

Post Your Answer

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.

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

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.

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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:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

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

Ans 7:

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

Ans 8:

Siddhant Singhania from AGCS purulia, Puruliya
Class : Class 7
thanx and yes

Ans 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

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

Ans 13:

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

Ans 14:

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

Ans 15:

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

Ans 16:

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

Ans 17:

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

Ans 18:

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

Ans 19:

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 20:

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

Ans 21:

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

Ans 22:

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

Ans 23:

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 24:

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

Ans 25:

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

Ans 26:

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

Ans 27:

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 28:

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

Ans 29:

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

Ans 30:

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

Ans 31:

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

Ans 32:

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 33:

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 34:

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

Ans 35:

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

Ans 36:

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

Ans 37:

Dakshata Banerjee from Chrysalis High, Bangalore
Class : Class 5

Ans 38:

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

Ans 39:

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

Ans 40:

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

Ans 41:

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

Ans 42:

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

Ans 43:

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 44:

Anagh Jain from Narayana, Gurgaon
Class : Class 5

Ans 45:

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

Ans 46:

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 47:

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

Ans 48:

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

Ans 49:

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

Ans 50:

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

Ans 51:

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

Ans 52:

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

Ans 53:

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

Ans 54:

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

Ans 55:

Aarna gupta from Nps international , Singapore
Class : Class 6

Ans 56:

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

Ans 57:

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

Ans 58:

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

Ans 59:

Smita De from Bishop Cotton Girls School, BANGALORE
Class : Class 6
the correct ans is supposed to be B. how is it C. I have no clue.

Ans 60:

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

Ans 61:

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

Ans 62:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 7
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 63:

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

Ans 64:

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

Ans 65:

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

Ans 66:

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

Ans 67:

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 68:

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

Ans 69:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 70:

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

Ans 71:

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

Ans 72:

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

Ans 73:

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

Ans 74:

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 75:

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

Ans 76:

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

Ans 77:

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

Ans 78:

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 79:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
(Master answer) the correct answer is (B) only all are right

Ans 80:

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

Ans 81:

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

Ans 82:

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 83:

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

Ans 84:

Sahasra Shanker from KV IIT, Chennai
Class : Class 6

Ans 85:

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

Ans 86:

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

Ans 87:

hridhaan solanki from gyanshree, noida
Class : Class 7
B

Ans 88:

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

Ans 89:

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 90:

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

Ans 91:

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

Post Your Answer

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

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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:

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

Ans 3:

Admin fly from Ddssxxx, Ax
Class : Class 1
l

Post Your Answer

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

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

Ans 7:

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

Ans 8:

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

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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:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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 6:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 7:

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

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

Ans 1:

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

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:

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

Ans 4:

Saloni Saini from JPHS, Jaipur
Class : Class 6
A

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