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Pranat from LVIS, Noida
Subject :NSO    Class : Class 5

Shred a paper in tiny pieces. Take a comb and comb your hair. Now bring the comb closer to the paper pieces. What will you observe?

A The paper pieces will get repelled due to magnetic force.
B The paper pieces will get repelled due to electrostatic force.
C The paper pieces will get attracted and stick to the comb due to electrostatic force.
D The pieces will get attracted and stick to the comb due to frictional force.


Ans 1:

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

Ans 2:

Vaibhav Elisetti from sri chaitanya techno school bavdhan, Pune
Class : Class 5
yup

Ans 3:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
The correct ans is option C because electrostatic force is a non contact force which is similar to magnetic force and the comb is like a magnet and tin pieces of paper are like the metal here (So the comb will attract the tiny pieces of paper).

Ans 4:

Shivangi from St. Michael's High School, Patna
Class : Class 5
The answer is C

Ans 5:

Ankita Dave from GNS, Bangalore
Class : Class 4
I prefer option C

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Vyom from St KABIR , Ahmedabad
Subject :NSO    Class : Class 5

Ans 1:

Manasvi Nagpal from blooming dales international school, sri ganganagar
Class : Class 5
ans is DBECAUSE IT IS A IMAGINARY ANIMAL

Ans 2:

arulmozhi ramesh from Kv, Coimbatore
Class : Class 9

Ans 3:

Anil sinha from DPS, Chandigarh
Class : Class 4

Ans 4:

Jasmit kaur from Sun Valley International School, Vashundra
Class : Class 5
As this question is already wrong a mammal can not have 6 legs.

Ans 5:

Fareeha siddiqua from Janki Devi public school , Mumbai
Class : Class 5
It can't be D as they do not have six legs. no option is correct. I will report error for it is NOOT D

Ans 6:

Shweta Garg from apeejay school noida, Ghaziabad
Class : Class 3
Mammals do not have 3 eyes

Ans 7:

Anil sinha from DPS, Chandigarh
Class : Class 4

Ans 8:

DHANANJAY from HOLY GRACE, Mala
Class : Class 6
mammals do not have 6 legs and has more han 1 eye!

Ans 9:

AARAV AGRAWAL from BIRLA DIVYA JYOTI, SILIGURI
Class : Class 5
this question makes no sense . 6 legs-can be an insect , eye on his forehead???

Ans 10:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5
Yes but in the question it said that the animal was imanginative can't believe what type of an animal it was.

Ans 11:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6
The answer is D.

Ans 12:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
If the animal really existed it would have belonged to the same group as cow.

Ans 13:

NEEV SINGH from VISHWA BHARATI PUBLIC SCHOOL, Noida
Class : Class 5
Is cow have 6 legs and 1 eye on its forehead

Ans 14:

Shivangi from St. Michael's High School, Patna
Class : Class 5
The answer is D

Ans 15:

Shiven Bhakat from ,
Class :
Ans is D

Ans 16:

Anil sinha from DPS, Chandigarh
Class : Class 4
If this animal really existed it would have to be a monster that would eat us

Ans 17:

Adrito gayen from VMS, Kolkata
Class : Class 5
The answer is D. Hair on skin and breast feeding the young ones are characteristic of mammals such as cow. So, if really existed, this animal would have been placed with cow.

Ans 18:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
forehead? hahahahahahahahah

Ans 19:

Shweta Garg from apeejay school noida, Ghaziabad
Class : Class 3
Mammals do not have 3 eyes

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Michael Alexander from St. Thomas Public School, Thiruvanthapuram
Subject :NSO    Class : Class 5

Ans 1:

ARCHISHA SIKDAR from CHOITHRAM MANIKBAG, INDORE
Class : Class 5
ANSWER WILL BE 'C ' CAUSE THROUGH TRANSPARENT MATERIAL WE CANNOT SEE SHADOW OF A THING BUT THROUGH OPAQUE MATERIAL WE CAN SEE A THING'S SHADOW

Ans 2:

Arnav kaul from Chirec, Hyderabad
Class : Class 5

Ans 3:

Ishir Jha from Keshav Saraswati Vidya Mandir, Patna
Class : Class 6
It explains c is the correct ans but on the front it says b. Someone please correct this. They cut my marks also.

Ans 4:

from St. Stephen's School, Kolkata
Class : Class 6
Ans is c as you see light can't pass through material 2 and can pass through material 1. According to SOF ans b which mean light can pass through cardboard and can't through clear pastic sheet!!!!!. Please correct this SOF or it can be a typing mistake. Thanks for reading.

Ans 5:

Mohul Gandhi from K V IIT Bombay Powai, Mumbai
Class : Class 4
ans should be c!!! I am reporting an error

Ans 6:

Ishaan Ahuja from TSMS, Noida
Class : Class 5
never use sof trainer they know nothing

Ans 7:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5
answer is c sof is wrong

Ans 8:

Pragun goel from Venkateshwar International School, Delhi
Class : Class 6
the answer is c 'cause material 1 is transparent and material 2 is opaque. The solution also says c. Typing error. Thanks for reading

Ans 9:

Srija Das from Sent Joseph Convent Chandannagar, Serampore
Class : Class 6
CORRECT ANSWER SHOULD BE C

Ans 10:

Aarush Thakur from DPS, Gurgaon
Class : Class 6
The sol says ans is C but it correct ans is B.

Ans 11:

Devina kashyap from TPS, Mumbai
Class : Class 4
and should be C and i did C cut now it is showing that i have done B!!

Ans 12:

from kalyan, Kalyan
Class : Class 6
Blunders made by SOF. PLEASE FIX THIS !!!!!

Ans 13:

Ankita Dave from GNS, Bangalore
Class : Class 4
In the solutions it is showing C as correct option but in front It is showing B as the answer to this question. please correct the answer.

Ans 14:

Samyaraj Chowdhury from DPS Ruby Park, Kolkata, Kolkata
Class : Class 6
The answer should be C. But answer is given B which is impossible.

Ans 15:

RIDHASEN PRIYASEN SHAH from The Rajkumar College, Rajkot, Rajkot
Class : Class 4
The solution itself explains that c is the correct ans. So that means m2 is opaque and m1 is transparent. Please someone correct this ans

Ans 16:

Ishaan Ahuja from TSMS, Noida
Class : Class 5
cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc

Ans 17:

ishaani vats from shriram school, gurgaon
Class : Class 5
I could not find any logic in this answer. Can anyone explain it? THANS FOR READING!!!

Ans 18:

P A Reyyansh from Ann Mary School, Dehradun
Class : Class 6
IF SOF CAN EXPLAIN THIS CORRECTLY, THEN I WILL STOP DOING PRACTICE OF ANY OLYMPIAD

Ans 19:

Ankush Ghosh from DPS, Doha
Class : Class 7
2 should be opaque and 1 transparent, or both opaque

Ans 20:

Samarth Sabari from GIIS, Singapore
Class : Class 5
how is it B!?

Ans 21:

legendary ninja from dps gurgaon, Gurgaon
Class : Class 7

Ans 22:

Swastik Srivastava from Baldwin Boys High School, Bangalore
Class : Class 5
correct ans is C

Ans 23:

Bhavya Agrawal from Cambridge Court High School , JAIPUR
Class : Class 6
WHY YOU TYPE SO MANY C Ishaan

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Bhavya Jha from Global City International School, Bangalore, Karnataka, India
Subject :NSO    Class : Class 5

Ans 1:

Harjot Singh from GIIS KL, Kuala Lumpur
Class : Class 4
THE CORRECT ANSWER SHOULD BE 5492

Ans 2:

Harjot Singh from GIIS KL, Kuala Lumpur
Class : Class 4

Ans 3:

Sohan Choudhury from Delhi Public School Electronic City Bengaluru, Bengaluru
Class : Class 6

Post Your Answer

Debraj Das adhikary from Ramakrishna mission vidya bhaban , midnapore, Midnapore
Subject :NSO    Class : Class 10

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
These are referred to as X-linked genes.

Post Your Answer

param ahuja from m.p.s, Ajmer
Subject :NSO    Class : Class 7

Ans 1:

param ahuja from m.p.s, Ajmer
Class : Class 9
HOW'

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param ahuja from m.p.s, Ajmer
Subject :NSO    Class : Class 7

Ans 1:

Mayank Mili from Delhi Public School, Golaghat
Class : Class 7
answer is B.

Ans 2:

Bhargav from City Pride School, Nigdi
Class : Class 7
:) :o

Ans 3:

Nishanth K Nizar from Layola, Thiruvananthapuram
Class : Class 9

Ans 4:

Bhargav from City Pride School, Nigdi
Class : Class 7
lOl

Ans 5:

Kushagra Kishore from Chrysalis High, Bengaluru
Class : Class 8

Post Your Answer

PRADYUMNA OMPRAKASH GONDULE from DPS BHILAI, Bhilai
Subject :NSO    Class : Class 5

Ans 1:

VAIBHAVH RAMESH from NARAYANA ETECHNO WHITEFIELD, BANGALORE
Class : Class 5

Ans 2:

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

Ans 3:

Aananya Singh from DPS East, Bangalore
Class : Class 5
They are going to repel each other , as both the south poles of the magnets are facing each other .

Ans 4:

Ankita Dave from GNS, Bangalore
Class : Class 4
InThe first and second magnets, the south poles are facing each other , so they are going to repel.

Ans 5:

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

Ans 6:

RAMAYANI PAKHARE from S M SHETTY HIGH SCHOOL, MUMBAI
Class : Class 6

Ans 7:

VAIBHAVH RAMESH from NARAYANA ETECHNO WHITEFIELD, BANGALORE
Class : Class 5

Post Your Answer

HARSHAL KUTE from cambridge school buldhana, Buldhana
Subject :NSO    Class : Class 6

Ans 1:

TR shanmuk from Chitanya, Guntur
Class : Class 6
C

Post Your Answer

HARSHAL KUTE from cambridge school buldhana, Buldhana
Subject :NSO    Class : Class 6

Ans 1:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 6
For the people who didn't see the figure, the figure is the same as the one in the previous question. However, even I don't understand how the answer is (a). It should be (b)

Ans 2:

DHANANJAY from HOLY GRACE, Mala
Class : Class 6
the question is from the figure in question 9

Ans 3:

Aniket Ghosh from DAV Public School Haldia, Haldia
Class : Class 8
WHY THIS ANSWER??????

Ans 4:

Pranav Raj from B.V.M. Global, Chennai
Class : Class 6

Ans 5:

Abhijato Chatterjee from Bharatiya Vidya Bhavan, Kolkata, kOLKATA
Class : Class 6
When a battery is connected in the same order, it will cause a short circuit. On the other hand, Connecting it in the reverse order will brighten it up. The answer is b.

Ans 6:

Kshitij from Sams, Bangalore
Class : Class 6
THERE IS NO FIGURE GIVEN. NOT GOOD!!!

Ans 7:

Hamsavarshini Swaminathan from St Anns Senior Secondary School, Roorkee
Class : Class 8
Where is the figure?

Ans 8:

GARGI from R A N PUBLIC SCHOOL, RUDRAPUR
Class : Class 7
why is figure not given?

Ans 9:

Utkarsh Chakravarty from Pinnacle High International School, Mumbai
Class : Class 6
The qs is wrong as it should be "similar batteries" as for the glow of the bulb one battery one work at all .

Ans 10:

Raghav from Shalom Hills International school, Gurgaon
Class : Class 6
My tab is being discriminated! I didn't get the figure.

Ans 11:

Naman from Svm, Nalasopara
Class : Class 6
why answer is A?????????????????????????????????????

Ans 12:

Tamrashi Pani from National public school, whitefield, banglore
Class : Class 6
It is A

Ans 13:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 6

Ans 14:

Veda Dua from DPS R K PURAM, New Delhi
Class : Class 7
There is no figure!!!!!

Ans 15:

Priyam Bhattacharya from cambridge court high school, jaipur
Class : Class 6
wrong !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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