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A Ramakrishna Rao from D A V Public School. Unit 8. Bhubaneswar , Bhubaneswar
Subject :NSO    Class : Class 5

Ans 1:

Shruthi from VIBGYOR, Mumbai
Class : Class 6
What is type of Option A?

Ans 2:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5
yes because the stapler is a third class lever

Ans 3:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 6

Ans 4:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5

Ans 5:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 6
Stapler ( option D ) is the odd one out as it is a third class lever i.e. effort is between the load and fulcrum .

Ans 6:

Rohan David from Oakridge International school, Hyderabad
Class : Class 7
The answer is D because the stapler is the odd one out

Ans 7:

SARVESH RAMESH from DPS MIS, QATAR
Class : Class 5

Ans 8:

Rounak J from Silver Oaks School , Hyderabad
Class : Class 5
D

Ans 9:

D Murari from Indian School of Excellence, Bangalore
Class : Class 6

Ans 10:

Kavin Karthick M from DPS bangalore east, Bengaluru
Class : Class 6
option D is correct because stapler is 3rd class lever

Post Your Answer

Sarthak yadav from RPS, Mahendragarh
Subject :NSO    Class : Class 4

Ans 1:

shibin joseph from ,
Class : Class 3

Post Your Answer

M.MEYYAPPAN from DPS, Bhilai
Subject :NSO    Class : Class 8

Ans 1:

kd from st Jude's academy , sonipay
Class : Class 8
A

Ans 2:

aditya arora from Heritage Experiential Learning School, gurugram
Class : Class 8
A

Ans 3: (Master Answer)

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

Ans 4:

PARTH JAIN from DPS INDIRAPURAM, GHAZIABAD
Class : Class 8

Post Your Answer

jeeva from Kendriya Vidyalaya Kottayam, Kottayam
Subject :NSO    Class : Class 8

Ans 1:

aryanvir from lotus valley international school, haryana
Class : Class 8
ans : A

Ans 2:

Siddharth Mahesh from mdav public school , Hyderabad
Class : Class 8

Post Your Answer

archana from carmel, nahan
Subject :NSO    Class : Class 3

Ans 1:

Arrunabh from Delhi public school, Indore
Class : Class 3
i m not getting the answer

Ans 2:

Smita Roy from Nava Nalanda Santiniketan Shakha, Bolpur
Class : Class 3
D

Post Your Answer

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

Ans 1:

Bhagyesh Kamal from DPS, Mumbai
Class : Class 8
it should be t/10 only as during time period the pendulum will pass through the point y twice.so the time period will be t/10

Ans 2:

Aarush Laddha from NCFE, bengaluru
Class : Class 6
It should be T/21 only as T is the total time and no of times it passes Y is 21.Therefore the answer is T/21

Ans 3:

Bhagyesh Kamal from DPS, Mumbai
Class : Class 8
it should be t/10 only as during time period the pendulum will pass through the point y twice.so the time period will be t/10

Ans 4:

Devabhrith from Delhi Public School Electronic City Bangalore, Bengaluru
Class : Class 6
Hi The Answer is T/10Sub To my YT:SkyPeRtan Wolf

Ans 5:

Joe from St.Vincent pallotti, Bangalore
Class : Class 6

Ans 6:

tanmay chaudhry from BAL BHAVAN PUBLIC SCHOOL, New Delhi
Class : Class 4
yes I also agree with you

Ans 7:

Ashwak from Cambridge International School, Saudi Al Dera
Class : Class 7
Yes it should be t/10 as the pendulum will pass through point y twice in its one revolution...... so the the time period should be t/10

Ans 8:

Bhagyesh Kamal from DPS, Mumbai
Class : Class 8
it should be t/10 only as during time period the pendulum will pass through the point y twice.so the time period will be t/10

Ans 9:

Nishka Rawat from Inventure Academy, Bengaluru
Class : Class 4
The answer is right - it should be T/10

Ans 10:

Anika Saha from New Town School, KOLKATA
Class : Class 6
throughout the time period or the 21 swings the pendulum will pass through the point Y 21 times. so the answer is B(t/21)

Ans 11:

Jaidev Chowdhary from Veeramachineni Peddayya Siddhartha Public School, VIJAYAWADA
Class : Class 6

Ans 12:

Mayank Mili from Delhi Public School, Golaghat
Class : Class 7

Ans 13:

Sharmi Chowdhury from G.D Birla Centre For Education , Kolkata
Class : Class 7
I agree with you

Ans 14:

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

Ans 1:

Sai Srivardhan from National Public School Gopalapuram , Chennai
Class : Class 6
In process v, actually sublimation takes place

Ans 2:

Tanmay 2009 from MVN Aravali Hills, Faridabad
Class : Class 6
The answer is not B

Ans 3:

HARSHAL KUTE from cambridge school buldhana, Buldhana
Class : Class 6
How in processes v condensation came?

Ans 4:

ADRIJA BANERJEE from KANAURIA GANGABAUX BHARTIYA VIDYA BHAVAN, KOLKATA
Class : Class 6
I do agree with Bhabani prasad

Ans 5:

KEERTHANA SHIBU from INDIAN SCHOOL GHOUBRA, Oman
Class : Class 7
NA

Ans 6:

RICHA BORAH from K V ANNA NAGAR, CHENNAI
Class : Class 7
I also agree with all of you . That's just impossible, I guess.

Ans 7:

Bhabani Prasad from Narayan School, Kolkata
Class : Class 6
We can express process v as deposition and how did condensation and freezing get involved

Ans 8:

Utkarsh Chakravarty from Pinnacle High International School, Mumbai
Class : Class 6
gas to solid is deposition and opposite is sublimation ans wrong

Ans 9:

Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
The answer can be B and D both.

Ans 10:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 6
I ALSO AGREE WITH YOU ALL

Post Your Answer

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:

Adeeth Baasu from The Samhita Academy, Bangalore
Class : Class 5
The answer is C

Ans 3:

Tanmay kaushal from ICSE, Mumbai
Class : Class 5
Class :C

Ans 4:

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 5:

Pratham Dave from GNS, Bangalore
Class : Class 6
I prefer option C

Ans 6:

Priyanshi from Ryan International school kandvali, Mumbai
Class : Class 5

Ans 7:

Lakshana from SBOA School and Junior College, Chennai
Class : Class 5
it can also be said as static electricity

Ans 8:

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

Ans 9:

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

Post Your Answer

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

Ans 1:

arulmozhi ramesh from Kv, Coimbatore
Class : Class 9

Ans 2:

Jasmit kaur from Sun Valley International School, Vashundra
Class : Class 7
As this question is already wrong a mammal can not have 6 legs.

Ans 3:

Shiven Bhakat from ,
Class :
Ans is D

Ans 4:

VISHNU from NARAYANA OLYMPIAD GOPALAPURAM, chennai
Class : Class 5
I can say that they have fur but they don't have 6 legs and 1 eye on the forehead

Ans 5:

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

Ans 6:

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 7:

Anil sinha from DPS, Chandigarh
Class : Class 4

Ans 8:

Anil sinha from DPS, Chandigarh
Class : Class 4

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:

Aanshi from Vibgyor High, Vadodra
Class : Class 5

Ans 12:

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

Ans 13:

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

Ans 14:

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

Ans 15:

SANVI ROHILLA from The little shri, Rohtak
Class : Class 5
Ans D ( Cow)

Ans 16:

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

Ans 17:

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

Ans 18:

adhiraj from Gundecha Education Academy, Mumbai
Class : Class 5
Firstly , mammals do not have three eyes, secondly which mammal has six legs ???????????

Ans 19:

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 20:

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 21:

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 22:

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

Ans 23:

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

Post Your Answer

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

Ans 1:

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

Ans 2:

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 3:

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

Ans 4:

Ishaan Ahuja from TSMS, Noida
Class : Class 6
never use sof trainer they know nothing

Ans 5:

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 6:

Jishnu Dutta 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 7:

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 8:

Pratham Dave from GNS, Bangalore
Class : Class 6
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 9:

Ishir Jha from Keshav Saraswati Vidya Mandir, Patna
Class : Class 7
It explains c is the correct ans but on the front it says b. Someone please correct this. They cut my marks also.

Ans 10:

Samarth Sabari from GIIS, Singapore
Class : Class 6
how is it B!?

Ans 11:

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 12:

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

Ans 13:

Ishaan Ahuja from TSMS, Noida
Class : Class 6
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Ans 14:

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

Ans 15:

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 16:

septic pooper from dps gurgaon, Gurgaon
Class : Class 7

Ans 17:

Arnav kaul from Chirec, Hyderabad
Class : Class 5

Ans 18:

Pragun goel from Venkateshwar International School, Delhi
Class : Class 7
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 19: