National Science Olympiad Forum By SOF Olympiad Trainer - Page 682
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K Abhinav Narasimhan from modern senior secondary school nanganallur, Chennai
Subject :NSO    Class : Class 6

Ans 1:

aryan vir from lotusvalley international school gurugram, Gurgaon
Class : Class 7
ANS : A

Ans 2:

DOMMETI RUTHWIK from ARMY PUBLIC SCHOOL, RK PURAM SECUNDERABAD
Class : Class 6
FLLODS AND RUSTING OF IRON UNDESIREBALE CHANGES

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YP from GIIS, Singapore
Subject :NSO    Class : Class 4

Ans 1:

ishit from EUROSCHOOL THANE, THANE WEST
Class : Class 7
Can you tell the answer to this question

Ans 2: (Master Answer)

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

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SOHUM SIDDHARTH from DPS Noida, Delhi
Subject :NSO    Class : Class 2

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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.

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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:

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

Ans 3:

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

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:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

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

Ans 7:

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

Ans 8:

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 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

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

Ans 13:

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 14:

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

Ans 15:

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

Ans 16:

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

Ans 17:

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

Ans 18:

Sahasra Shanker from KV IIT, Chennai
Class : Class 6

Ans 19:

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

Ans 20:

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

Ans 21:

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

Ans 22:

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

Ans 23:

Dakshata Banerjee from Chrysalis High, Bangalore
Class : Class 5

Ans 24:

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

Ans 25:

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

Ans 26:

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

Ans 27:

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

Ans 28:

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 29:

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

Ans 30:

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 31:

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

Ans 32:

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

Ans 33:

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 34:

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

Ans 35:

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

Ans 36:

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

Ans 37:

Aarna gupta from Nps international , Singapore
Class : Class 6

Ans 38:

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

Ans 39:

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

Ans 40:

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

Ans 41:

Arnav kaul from Chirec, Hyderabad
Class : Class 2

Ans 42:

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

Ans 43:

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

Ans 44:

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

Ans 45:

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

Ans 46:

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

Ans 47:

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 48:

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

Ans 49:

Anagh Jain from Narayana, Gurgaon
Class : Class 5

Ans 50:

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

Ans 51:

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

Ans 52:

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

Ans 53:

hridhaan solanki from gyanshree, noida
Class : Class 7
B

Ans 54:

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

Ans 55:

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

Ans 56:

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

Ans 57:

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

Ans 58:

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

Ans 59:

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

Ans 60:

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 61:

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

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:

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

Ans 64:

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

Ans 65:

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 66:

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

Ans 67:

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

Ans 68:

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

Ans 69:

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 70:

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 71:

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

Ans 72:

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

Ans 73:

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

Ans 74:

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

Ans 75:

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

Ans 76:

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

Ans 77:

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 78:

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

Ans 79:

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

Ans 80:

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

Ans 81:

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

Ans 82:

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 83:

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

Ans 84:

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 85:

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

Ans 86:

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

Ans 87:

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

Ans 88:

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

Ans 89:

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

Ans 90:

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

Ans 91:

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

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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:

Admin fly from Ddssxxx, Ax
Class : Class 1
l

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:

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

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

Ans 1:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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 6:

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

Ans 7:

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

Ans 8:

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

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