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

User Forum

Ask Your Question
Gauri Singh from St Johns School Marhauli, Varanasi
Subject :NSO    Class : Class 6

Ans 1:

arjun from the bishops school camp , pune
Class : Class 8

Ans 2:

rocker harshil from TImpany senior secondary school, Visakhapatnam
Class : Class 6
as only the option (D) will be magnetic and the SOFT IRON will act as a keepers

Post Your Answer

septic pooper from dps gurgaon, Gurgaon
Subject :NSO    Class : Class 5

Ans 1:

Ashwak from Cambridge International School, Saudi Al Dera
Class : Class 7
The answer is B

Ans 2:

AREEN from BOLTON, HYDERABAD
Class : Class 6
Ans should be A because tuemeric powder is solid and solids are incompressible. Liquids are also incompressible but the some of the liquid has gone above the end of the piston, which is inside the syringe. Gases are compressible, so the piston easily moves.

Ans 3:

Ujjwal Upadhyay from Navy Children school, Vasco
Class : Class 6
Well... I think the answer is B

Post Your Answer

student from school, city
Subject :NSO    Class : Class 6

Ans 1:

Lakshmi from FPS, Bangalore
Class : Class 7
c is the answer

Ans 2:

Neil Mathew from National Public school, bengaluru
Class : Class 6
How is it C!?

Ans 3:

BHAVYA from iswk, Oman
Class : Class 6
can I have an explanation please....... plz...plz...plz...

Ans 4:

shreyas from phoenix greens, Hyderabad
Class : Class 6

Ans 5:

Anushka Srivastava from Cjm, Dehradun
Class : Class 7
its C acording to me

Ans 6:

NISHTHA GUPTA from DPS Vasat Vihar, newdelhi
Class : Class 6
solution?

Post Your Answer

Shreenath Rajesh Nair from J H A S V Surat, Surat
Subject :NSO    Class : Class 8

Ans 1:

Ved Pandhare from Lilavatibai Podar High School, Mumbai
Class : Class 8
correct answer is C as the ray would refract if its passing from a rarer to denser medium.

Ans 2:

Triguna from Kendriya Vidyalaya No.1 Salt Lake, Kolkata
Class : Class 8
Me too... I also think that the correct option will be C

Ans 3:

Ami Buch from DPS Gandhinagar, Gandhinagar
Class : Class 6
After checking the Snell's law, I found the answer to be C...But it says the correct answer is A

Ans 4:

Avyukth Radhakrishnan from TSRS, Gurgaon
Class : Class 8
It's A.When light travels from a denser to rarer medium,it bends TOWARDS the normal(Check normal in solution).Hence,answer is A.

Ans 5:

Madhav from Aggarsain Public School, Kurukshetra
Class : Class 9
correct answer is C

Ans 6:

Abhinav from nesss, vadodara
Class : Class 10
I too think correct option is C

Post Your Answer

Shuvangi Das from Vivekananda mission school, haldia
Subject :NSO    Class : Class 4

Ans 1:

Aaditya Kant from DPS, Nerul, Navi Mumbai
Class : Class 4
C

Ans 2:

AAGNEY GOYAL from VENKATESHWAR INTERNATIONAL SCHOOL, Delhi
Class : Class 4

Ans 3:

Aarav sugla from Niraj International School , Secunderabad
Class : Class 5

Post Your Answer

Debarpan Das from Delhi Public School , Durgapur
Subject :NSO    Class : Class 4

Ans 1:

vighneshwar from study hall, Lucknow
Class : Class 5
D

Ans 2:

monisha garg from carmel convent school sector 9 chandigarh, panchkula
Class : Class 4
briany

Post Your Answer

SHAUNAK from St Xaviers School, HAZARIBAG
Subject :NSO    Class : Class 3

Ans 1:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
B

Ans 2:

Arnav Basu from FAPS, Bengaluru
Class : Class 3
b

Post Your Answer

SHAUNAK from St Xaviers School, HAZARIBAG
Subject :NSO    Class : Class 3

Ans 1:

SHAUNAK from St Xaviers School, HAZARIBAG
Class : Class 3
B is the right answer.

Ans 2:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 4
The correct answer is B.

Post Your Answer

Nishtha Mishra from bal bharti public school, new delhi
Subject :NSO    Class : Class 3

Ans 1:

Aatreyu from vpms, pune
Class : Class 3
B . (2.1cm)

Ans 2:

Aatreyu from vpms, pune
Class : Class 3
B . (2.1cm)

Post Your Answer

ishit from EUROSCHOOL THANE, THANE WEST
Subject :NSO    Class : Class 4

Ans 1:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 4
the correct answer is D

Ans 2:

Sridatri Deb from Euro School Airoli, MUMBAI
Class : Class 4
no repetition of same pairs ( like AB and BA )

Ans 3:

Suniti Kumar Ghosh from Saraswati Devi Public School , Salar
Class : Class 4
C 15

Ans 4:

vighneshwar from study hall, Lucknow
Class : Class 5
A

Ans 5:

Anika from Alphabets, Chennai
Class : Class 5
A 30

Ans 6:

Ashwak from Cambridge International School, Saudi Al Dera
Class : Class 7
The correct answer is C

Ans 7:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 4

Ans 8:

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

Ans 9:

Bhavya Jain from K R Mangalam World Scholl, GHAZIABAD
Class : Class 4
Answer is A

Ans 10:

Ashwak from Cambridge International School, Saudi Al Dera
Class : Class 7
Vighneshwar , Bhavya and Anika can you tell me how the answer is A ??? Why are you telling the wrong answer ???

Ans 11:

from St Gregorios High school , Mumbai
Class : Class 5

Ans 12:

Sridatri Deb from Euro School Airoli, MUMBAI
Class : Class 4
the solution is correct as this is not combination this is just simple paring that is converted to handshakes . answer is C

Ans 13:

Bhavya Jain from K R Mangalam World Scholl, GHAZIABAD
Class : Class 4

Ans 14:

Anika from Alphabets, Chennai
Class : Class 5
A 30

Ans 15:

Bhavya Jain from K R Mangalam World Scholl, GHAZIABAD
Class : Class 4
Answer should be A as 6 x 5 =30

Ans 16:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
a

Post Your Answer