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DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata
Subject :NSO    Class : Class 5

Ans 1:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7

Ans 2:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
I am bengali , hindi , english and malayalam . This looks pity to me !!!!!!!!!!!!!!!!!!!

Ans 3:

Sharv Gupte from VIBGYOR HIGH NIBM, Pune
Class : Class 5

Ans 4:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7

Ans 5:

Pratik Gupta from MPS, Abu Dhabi
Class : Class 5

Ans 6:

Tasneem from FAIPS, kuwait
Class : Class 6
c

Ans 7:

SIDDHARTH KUMAR CHATTERJEE from NAVY CHILDREN SCHOOL , CHICALIM
Class : Class 7

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vedant khatri from G D Goenka Public School Bareilly, bareilly
Subject :NSO    Class : Class 8

Ans 1:

anwesha from v s n, midnapore
Class : Class 10
DIt reflects the red colour and absorbs rest of the colours.

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Soorya Tej R from Delhi Public School, Hyderabad
Subject :NSO    Class : Class 3

Ans 1:

Adrita Dey from Bishop Morrow School , Krishnanagar
Class : Class 3
I think you are right it should be D.

Ans 2:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
You are wrong.The correct answer should be D.

Ans 3:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
the correct is D.

Ans 4:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 9
d is the answer

Ans 5:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8

Ans 6:

Siddhant Sahay from Ryan , Mumbai
Class : Class 3
Correct answer is D

Ans 7:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
d

Ans 8:

Anargha Nandi from Bishop Morrow School, Krishnagar
Class : Class 6
You are right. It should be D.

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Saransh Agrawal from Meridian School, Hyderabad
Subject :NSO    Class : Class 5

Ans 1:

SANVI ROHILLA from The little shri, Rohtak
Class : Class 5

Ans 2:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is A because bituminous is not an ore, typhoid is not a vector-borne disease and nutcracker is not a class 1 lever.

Ans 3:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 9
The correct answer is A because Bituminous is not a ore, typhoid is a water-borne disease and rest are vector-borne disease and nutcracker is an example of 2nd class lever whereas all the other are 1st class lever.

Ans 4:

SANVI ROHILLA from The little shri, Rohtak
Class : Class 5
I agree Areen

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Aniket Ghosh from DAV Public School Haldia, Haldia
Subject :NSO    Class : Class 6

Ans 1:

Manvi Mundepi from Montfort School Roorkee, Roorkee
Class : Class 9
answer is b

Ans 2:

Saanvi from rvk, bengaluru
Class : Class 9
the answer is b . this is because sun tan is temporary.

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Kaustubh Doval from Mirambika Free Progress , Delhi
Subject :NSO    Class : Class 8

Ans 1:

Nimish shah from Chrysalis high , Banglore
Class : Class 8
Correct answer is A

Ans 2:

ARNAB MANDAL from NAVY CHILDREN SCHOOL, VIZAG
Class : Class 9
nylon burns with a smell of plastic, not burning hair. WTF?

Ans 3:

S V Harini from Vailankanni public school , Krishnagiri
Class : Class 8
How is this possible Nylon burns with smell of hair???

Ans 4:

Ankit kumar Jha from Ryan International School , Ghaziabad
Class : Class 9
wrong answerthe answer should be B

Ans 5:

Anshuman D from MVM, Hyderabad
Class : Class 9
Supposed to be D

Ans 6:

Pushkar Sonnekar from Ryan International School, Mumbai, Vasai East
Class : Class 8
It should be D. Because nylon would never once burn with smell of paper in it's entire career. SOF, you gotta chnage the answer man.

Ans 7:

cherry from atomic energy central school-4, mumbai
Class : Class 9
yes the answer is D. nylon burns with a smell of celery because its a synthetic fibre.

Ans 8:

arnav raj sharma from gulibulium school, new york
Class : Class 8
(D)

Ans 9:

SAIRAM from TRIVENI TALENT SCHOOL, HYDERBAD
Class : Class 10

Ans 10:

Akshara from NPS, Bengaluru
Class : Class 8
Nylon does not have the smell of burning hair. So the answer should be d.

Ans 11:

Bhuvan vinod from Sentia The Global School, Hyderabad
Class : Class 9
IT must be D! Nylon does not burn with the smell of burning hair as it is purely synthetic and has no relation to the protein based hair.

Ans 12:

A Venkata Sai Pranav from Podar International School, Bhusawal
Class : Class 9
How can Nylon burn with the smell of burning hair??

Ans 13:

Karmanya Gupta from DPS, Udaipur
Class : Class 8
IT SHOU BE D!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Ans 14:

Abhinav Aggarwal from delhi public school, ghaziabad
Class : Class 8
wool burns with smell of burning hair

Ans 15:

Antarik Maity from Bharatiya Vidyabhaban, Kolkata
Class : Class 8
Nylon should neither have a smell of burning hair nor the smell of burning paper. Nylon has a celery or plastic-like cell. Hence the correct answer is D. But on the other hand when acrylic burns, it shrinks and converts into black beads. On this contrast, the correct answer will be B with respect to acrylic and D with respect to Nylon. There is definitely an error in the options of the answers!

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from , Kolkata
Subject :NSO    Class : Class 8

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Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Subject :NSO    Class : Class 4

Ans 1:

ishi gupta from DPS NOIDA, NOIDA
Class : Class 4
THERE IS NO SOLUTION SOB HOW CAN WE UNDERSTAND

Ans 2:

Nihid Binoj from DPS International School Singapore, Singapore
Class : Class 4
qwertyuiopasdfghjklzxcvbnm,.-/:;(â1

Ans 3:

Ishan Kapilbhai Barochiya from Mayoor Private School , Abu Dhabi
Class : Class 8
Yea, pls explain this question to us SOF admin

Ans 4:

Ishan Manjith from Loyola ICSE, THIRUVANANTHAPURAM
Class : Class 4
@ishi gupta i know this is irrevelent but its not sob its sof

Ans 5:

Mahadevan from KV Rubber Board Kottayam, Kottayam
Class : Class 9
there is air friction against gravity. so answer is B

Ans 6:

Sreejani Bhaduri from National Public School, Bangalore
Class : Class 10
Kqwertyuiopasdfghjklzxcvbnm,.-/:;(₹

Ans 7:

Soorya Tej R from Delhi Public School, Hyderabad
Class : Class 4
qwertyuiopasdfghjkkklzxcvbnm

Ans 8:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9

Ans 9:

Aditya Rai from Kv No.1 Icchanath, Surat
Class : Class 7
There is no explanation for the answer. How do we understand sof?

Ans 10:

ishi gupta from DPS NOIDA, NOIDA
Class : Class 4

Ans 11:

VANSH GARG from DPSG, GHAZIABAD
Class : Class 4

Ans 12:

Samaira from Global Indian International School, Bangalore
Class : Class 8
I think c

Ans 13:

Ayushi from DPS Noida, Noida
Class : Class 4
Air always act as Frictional force against Gravity Hence ans is B in this case

Ans 14:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4
There is no explanation for the answer. How do we understand sof?

Ans 15:

Medha Bijjaram from Prime Academy, Mumbai
Class : Class 9

Ans 16:

Medha Bijjaram from Prime Academy, Mumbai
Class : Class 9

Ans 17:

AARAV AGRAWAL from BIRLA DIVYA JYOTI, SILIGURI
Class : Class 8

Ans 18:

om from jbcn, MUMBAI
Class : Class 4

Ans 19:

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

Ans 20:

Annlisa Castlia from BPS, HYD
Class : Class 5
But they are telling that the right answer is option d

Ans 21:

Debarpan Das from Delhi Public School , Durgapur
Class : Class 9

Ans 22:

Aditya Rai from Kv No.1 Icchanath, Surat
Class : Class 7
There is no explanation for the answer. How do we understand Sof?

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DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata
Subject :NSO    Class : Class 5

Ans 1:

Piyush Kumar Pruseth from Sri Aurobindo Integral Education and Research Centre, Rajgangpur
Class : Class 5
Answer is A

Ans 2:

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

Ans 3:

Piyush Kumar Pruseth from Sri Aurobindo Integral Education and Research Centre, Rajgangpur
Class : Class 5
Answer is A

Ans 4:

Praket Tejas from Delhi Public School Indira Nagar Lucknow, Lucknow
Class : Class 4
l

Ans 5:

DIPTANGSU PARBAT from SOUTH POINT HIGH SCHOOL, Kolkata
Class : Class 7
I

Ans 6:

Aadya Dholaria from Elpro International School, Pune
Class : Class 6
Admin please tell me ,how is escalator a pulley?

Ans 7:

Arnav Vashisth from GD GOENKA PUBLIC SCHOOL, Delhi
Class : Class 5
Yes

Ans 8:

Kanishk Rahul Shabadi from Elpro International school, Pune
Class : Class 6

Ans 9:

Pratham Dave from GNS, Bangalore
Class : Class 7
Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Ans 10:

Rohan TR from Sri Aurobindo memorial school, Bangalore
Class : Class 6
A

Ans 11:

Sreyan from NPS Koramangala, BANGALORE
Class : Class 6
A

Ans 12:

Riddhiman Bose from Don Bosco School, Kolkata
Class : Class 5

Ans 13:

Vihaan Binaykia from Riverside, AHMEDABAD
Class : Class 5
The answer could be both A or B because wheel barrows and screwdrivers are levers and wheel and axles

Ans 14:

Agnish Chakraborty from The Heritage School, Kolkata
Class : Class 7

Ans 15:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
why not B all the options are levers

Ans 16:

Riddhiman Bose from Don Bosco School, Kolkata
Class : Class 5
A

Ans 17:

Atul Sanjeev from Indian School Al Ghubra, Muscat
Class : Class 9
the answer is A

Ans 18:

Ramkrishna kaushik from guyfuyf, kjbkj
Class : Class 5
A

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Anika Saha from New Town School, KOLKATA
Subject :NSO    Class : Class 5

Ans 1:

Vihaan from K R Mangalam World School Vaishali, Ghaziabad
Class : Class 9
The answer must be the option "A", as it states so "Farheen filled container X with 100 ml of water." Container Y had just a different shape, and it was also broader, so how can it be the option "C"?

Ans 2:

Aniket Ghosh from DAV Public School Haldia, Haldia
Class : Class 9
It should be option A- Only 1 As water is liquid, the only change that can be seen is that of the change in shape. it volume will remain the same

Ans 3:

Ashwak from Cambridge, Jalandhar
Class : Class 9
A

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