National Science Olympiad Forum By SOF Olympiad Trainer - Page 684
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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.

Post Your Answer

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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

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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:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

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 7:

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 8:

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

Ans 9:

Sahasra Shanker from KV IIT, Chennai
Class : Class 6

Ans 10:

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

Ans 11:

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

Ans 12:

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

Ans 13:

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

Ans 14:

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

Ans 15:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 16:

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

Ans 17:

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

Ans 18:

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

Ans 19:

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

Ans 20:

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

Ans 21:

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

Ans 22:

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

Ans 23:

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

Ans 24:

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

Ans 25:

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 26:

Anagh Jain from Narayana, Gurgaon
Class : Class 5

Ans 27:

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

Ans 28:

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

Ans 29:

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

Ans 30:

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

Ans 31:

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

Ans 32:

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

Ans 33:

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

Ans 34:

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

Ans 35:

Aarna gupta from Nps international , Singapore
Class : Class 6

Ans 36:

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

Ans 37:

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

Ans 38:

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 39:

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

Ans 40:

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 41:

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

Ans 42:

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

Ans 43:

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

Ans 44:

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

Ans 45:

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 46:

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

Ans 47:

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

Ans 48:

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

Ans 49:

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

Ans 50:

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

Ans 51:

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

Ans 52:

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

Ans 53:

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

Ans 54:

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

Ans 55:

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

Ans 56:

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

Ans 57:

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

Ans 58:

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

Ans 59:

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

Ans 60:

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 61:

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

Ans 62:

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

Ans 63:

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

Ans 64:

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

Ans 65:

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

Ans 66:

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

Ans 67:

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

Ans 68:

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

Ans 69:

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 70:

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

Ans 71:

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 72:

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

Ans 73:

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 74:

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

Ans 75:

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 76:

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

Ans 77:

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

Ans 78:

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

Ans 79:

hridhaan solanki from gyanshree, noida
Class : Class 7
B

Ans 80:

Dakshata Banerjee from Chrysalis High, Bangalore
Class : Class 5

Ans 81:

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

Ans 82:

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

Ans 83:

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 84:

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

Ans 85:

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

Ans 86:

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 87:

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

Ans 88:

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 89:

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

Ans 90:

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

Ans 91:

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

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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:

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:

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

Ans 2:

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 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

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

Ans 7:

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

Ans 8:

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

Post Your Answer

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

Ans 1:

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

Ans 2:

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

Ans 3:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 4:

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 5:

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

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:

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

Ans 2:

Saloni Saini from JPHS, Jaipur
Class : Class 6
A

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:

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

Post Your Answer