National Science Olympiad Forum By SOF Olympiad Trainer
  1. Home
  2. /  Forum

User Forum

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

Ans 1:

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

Ans 2:

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

Ans 3:

Aarnav Grover from Calorx olive international school, Ahmedabad
Class : Class 5
why not B all the options are levers

Ans 4:

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

Ans 5:

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

Ans 6:

Sreyan from NPS Koramangala, BANGALORE
Class : Class 5
A

Ans 7:

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

Ans 8:

ATUL SANJEEV from Indian school Ghubra, Muscat
Class : Class 7
the answer is A

Ans 9:

Pratham Dave from GNS, Bangalore
Class : Class 6
Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Ans 10:

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 11:

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

Ans 12:

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

Ans 13:

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

Post Your Answer

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

Ans 1:

Ashwak from Cambridge International School, Saudi Al Dera
Class : Class 7
A

Ans 2:

Aniket Ghosh from DAV Public School Haldia, Haldia
Class : Class 8
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:

Vihaan from KRM, Ghaziabad
Class : Class 5
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"?

Post Your Answer

Devansh singhal from Delhi public school Ghaziabad, Ghaziabad
Subject :NSO    Class : Class 4

Post Your Answer

nimay gupta from Shiv Nadar School, noida
Subject :NSO    Class : Class 6

Ans 1:

Naisha from Brilliant public school b, Bilaspur
Class : Class 6
Thanks for the solution saanvi

Ans 2:

Achintya Pandey from DPS NOIDA, Noida
Class : Class 6
solution pls

Ans 3:

A S Neeraj from K V 2, Chennai
Class : Class 6

Ans 4:

Snigdha swaminath from Christ nagar higher secondary school , Trivandrum
Class : Class 7
Thank you saanvi

Ans 5:

Trisha Singh from Navy Children School, New Delhi
Class : Class 8
i really can't understand.

Ans 6:

Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
what is this?

Ans 7:

Saanvi from rvk, bengaluru
Class : Class 8
the sum of digits of the numbers in option a,b,d comes to 29. whereas in case of option c the total is 27.hence C is the correct answerwh

Ans 8:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 6
I can not understand.

Ans 9:

MInnal Senthil from Prakriya, Bangalore
Class : Class 5
i dont know

Ans 10:

Akshara from sishya OMR , chennai
Class : Class 6

Ans 11:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 6
Thank you for the solution saanvi

Ans 12:

Ashwini Nemade Chaudhari from akshara, Pune
Class : Class 6

Post Your Answer

Jasmit kaur from Sun Valley International School, Vashundra
Subject :NSO    Class : Class 5

Ans 1:

Gayatri Iyer from Sanskriti School, Pune
Class : Class 5
U gotta explain this... d is also correct

Ans 2:

S Dhruv Kumar from T.I.M.E School Bandlaguda , Hyderabad
Class : Class 5
can you please explain me

Ans 3:

Riya from Bhavan Vidyalaya, Chandigarh
Class : Class 4

Ans 4:

Fareeha siddiqua from Janki Devi public school , Mumbai
Class : Class 5

Ans 5:

Biju Pappachan from Rkc , Raipur
Class : Class 1
Can u please explain

Ans 6:

Nimisha Saikia from Maria's public School, Guwahati
Class : Class 5
Option C) as it ask that what is the heart beat just stop so it means That in this point of time the heart beat is gonna decrease.

Ans 7:

Aanshi from Vibgyor High, Vadodra
Class : Class 5
ans is c

Ans 8:

Pratik Gupta from MPS, Abu Dhabi
Class : Class 5

Ans 9:

Arnav from SIS, Noida
Class : Class 5
I ticked D by mistake 🙄

Ans 10:

Shubham Majhi from Sri Chaitanya Techno School, Bangalore
Class : Class 5
Areem is correct

Ans 11:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans is B because as in the line graph the number of heartbeats decreased in the line RS.

Ans 12:

KOUSTUV JENA from Venkateshwar International School, BHUBANESWAR
Class : Class 7

Ans 13:

Mrigank Roy from Delhi Public School Ghaziabad, Ghaziabad
Class : Class 5
Can you explain

Ans 14:

Krithi Manasvini from Trileaves Global School, Chennai
Class : Class 5
Areen is correct but I ticked d so I got it wrong

Ans 15:

D M Sarvesh from Narayana Group of Schools, Mogappair
Class : Class 4
Can you please explain

Post Your Answer

Shaurya Suryawanshi from The Orbis school, Pune
Subject :NSO    Class : Class 4

Ans 1:

Jibran Noorshah from Christ Academy, Bengaluru
Class : Class 5
What is this Novemberook. I think it means November Book or is it a typing mistake.

Ans 2:

Devansh from mmvm, Udaipur
Class : Class 5
[d] is wrong

Ans 3:

Ashwak from Cambridge International School, Saudi Al Dera
Class : Class 7
The answer is D because they are saying AFTER 4th Tuesday of November 20XX that means 4th Tuesday is 28th November but after 28th November the date is 29th November .

Ans 4:

DEVANG Gupta from B K birla school kalyan, Kalyan
Class : Class 4

Ans 5:

Akshat Pathak from DPS, Noida
Class : Class 4
[a] is the correct answer

Ans 6:

Akshat Pathak from DPS, Noida
Class : Class 4
there is nothing called NOVEMBEROOK

Ans 7:

Rohan Singhal from Manav Rachna International School, Gurgaon
Class : Class 4
sof please tell that what is novemberook

Ans 8:

Deepayan Das from South Point High School, Kolkata
Class : Class 6
what is Novemberook?

Ans 9:

Aaditya Kant from DPS, Nerul, Navi Mumbai
Class : Class 4
the correct answer is d

Ans 10:

Advika Narkar from Vibgyor High Airoli, Navi Mumbai
Class : Class 4
Actually D is correct but there is a typing mistake in D4th Tuesday of November 20XX = 28 November. The next day is 29 November. So D is correct not A. There is a typing mistake in D, but that does not mean D is wrong.

Ans 11:

DEVANG Gupta from B K birla school kalyan, Kalyan
Class : Class 4

Ans 12:

Aajani Datta from The Samhita Academy, Bangalore
Class : Class 5

Ans 13:

Ashwak from Cambridge International School, Saudi Al Dera
Class : Class 7
Novembrook could be a mistake

Ans 14:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 4
Novemberbook is a typing error. So the ans is D because it is telling 4th Tuesday which is 28th and it is said that just after 28th so the ans is D

Ans 15:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 4
Novemberook is a typing mistake. Everyone can see that.

Ans 16:

Jibran Noorshah from Christ Academy, Bengaluru
Class : Class 5
They're saying after 4th tuesday that means 29 November. Novemberook could be a mistake.

Post Your Answer

Shiven Dinkar from DPS NOIDA Sector 30, Delhi
Subject :NSO    Class : Class 3

Ans 1:

Labonyo Sen from Calcutta Girls High School, KOLKATA
Class : Class 4
It will be A.It is 'ROTATION' NOT 'REVOLUTION'..............

Ans 2:

MS CHARVI from HAL GNANAJYOTI SCHOOL, Bangalore
Class : Class 4
C

Post Your Answer

Yatharth Aggarwal from NK Bagrodia , Delhi
Subject :NSO    Class : Class 2

Ans 1:

Yatharth Aggarwal from NK Bagrodia , Delhi
Class : Class 3

Ans 2:

Sreyas from Don Bosco, Park Circus, Kolkata
Class : Class 2
I AM 👿👿👿👿

Post Your Answer

Shaurya Suryawanshi from The Orbis school, Pune
Subject :NSO    Class : Class 4

Ans 1:

Abhinav Kulkarni from National Centre For Excellence, Bengaluru
Class : Class 4
same

Ans 2:

PURAV KHANDELWAL from TIME SCHOOL, HYDERABAD
Class : Class 4

Ans 3:

Archit Sanyal from Manav Rachna International , Gurgaon
Class : Class 5
It has got to be A

Ans 4:

Ira from Sanskriti Hyderabad, Hyderabad
Class : Class 4
Ok for now but Sof should not give these question which has 2 ANS

Ans 5:

Rishik De Sarkar from Delhi Public School Gurgaon, Gurgaon
Class : Class 4

Ans 6:

RIDA s s from VIBGYOR ROOT AND RISE MALAD, MUMBAI
Class : Class 4
agreedThe answer will be Anot clear in train image its Passenger or Goods

Ans 7:

Parth Dhondiram Gadgile from Narayana School Loha, Palam
Class : Class 4
It,s answer is train 🚆 because it go out of city .

Ans 8:

Anant Saxena from Delhi public school Gandhinagar , Gandhinagar
Class : Class 5
Trains run on rails so Answer should be A

Ans 9:

PURAV KHANDELWAL from TIME SCHOOL, HYDERABAD
Class : Class 4

Ans 10:

Ronav Kerkar from Arya Vidya mandir, Mumbai
Class : Class 5
A

Ans 11:

Advika Narkar from Vibgyor High Airoli, Navi Mumbai
Class : Class 4
You have to solve on the basis of MODE OF TRANSPORT not MEANS OF TRANSPORT SOF you yourself have given mode of transport is basis but you gave wrong answer! correct answer is A as means of transport includes transport which carry goods, passengers etc. And mode of transport means land, air or water transport. All the options are land transport but train runs on rail and other vehicles(auto rickshaw, truck and bus) run on road So answer is A

Ans 12:

SJ HARITHA from PSBS, BENGALURU
Class : Class 6
SOME TIMES EVEN BUS AND TRAINS CARRY GOODS SO THE ANSWER IS A

Ans 13:

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

Ans 14:

Abhinha Ajay Ovhal from Podar International School, Latur
Class : Class 2

Ans 15:

Vihaan from Dhirubhai Ambani International School, Mumbai
Class : Class 4
A

Ans 16:

Anika from Alphabets, Chennai
Class : Class 5
A

Ans 17:

ishi gupta from DPS NOIDA, NOIDA
Class : Class 4
SAME HERE

Ans 18:

kaashvi from Deens Academy, Bangalore
Class : Class 5
answer should be A. Trains can carry goods as well as passengers so the odd one out CANNOT be on the basis of passengers. Please do not give such questions if the answer is not clear

Ans 19:

Shatam Gedam from The Sanskaar valley School, Bhopal
Class : Class 5
tHE ANSEWR IS c BECAUSE TRUCK IS USED TO TRANSPORT GOODS WHILE THE OTHERS TRANSPORT PASSANGERS

Ans 20:

shubhavi Dhondge from NPS, Banagalore
Class : Class 5

Ans 21:

vg from DPS gurgaon sector45, Gurgaon
Class : Class 4
my answer is A as train runs on tracks others on road with wheels and can also carry goods not necessary passengers

Ans 22:

Adit Aggarwal from Vibgyor High, Bengaluru
Class : Class 5
My answer is A as train runs on tracks. It is not necessary that they carry passengers. Why is there no explanation SOF?

Ans 23:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4
I also chose a. Why is there no explanation sof

Ans 24:

Advika Narkar from Vibgyor High Airoli, Navi Mumbai
Class : Class 4
SOF don't you know the difference between MODES of transport and MEANS of transport? If you do, why did you give wrong answer?And if you don't ,search on Google! GOT IT SOF?

Ans 25:

Vihaan from Dhirubhai Ambani International School, Mumbai
Class : Class 4
Its C!

Ans 26:

atharv from bluebells international, delhi
Class : Class 4
The answer is A as trains run on tracks. not necessary that they carry passengers

Ans 27:

Anirudh Bhattacharjee from THE LEXICON INTERNATIONAL SCHOOL KALYANI NAGAR PUNR, Pune
Class : Class 5
the answer is a

Ans 28:

Sreenath from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Class : Class 5
The answer has to be A.

Ans 29:

Mohammed Najl from GEMS New Millennium School Al Khail, Dubai
Class : Class 5
I also think it is A.

Ans 30:

Shatam Gedam from The Sanskaar valley School, Bhopal
Class : Class 5
I chose D because rickshaw runs in A city and the rest do not

Ans 31:

Rishik De Sarkar from Delhi Public School Gurgaon, Gurgaon
Class : Class 4
Totally A

Ans 32:

shubhavi Dhondge from NPS, Banagalore
Class : Class 5
the answer is A