National Science Olympiad Forum By SOF Olympiad Trainer - Page 756
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Punita Ghosh from Billabong High International School, mumbai
Subject :NSO    Class : Class 3

Ans 1:

Avantika Raj from Delhi Public School, Bengaluru
Class : Class 9
what type o

Ans 2:

Aditi Mahanti from DPS North Kolkata, Kolkata
Class : Class 3
6

Ans 3:

Utsav from Sri Krishna Mission , Agartala
Class : Class 9
C

Ans 4:

SARTHAK.SHUKLA from Delhi Public School, Noida, Noida
Class : Class 3
Explanation - Combinations with B1 - B1G1G2, B1G1G3, B1G1G4, B1G2G3, B1G2G4, B1G3G4 Combinations with B2 - B2G1G2, B2G1G3, B2G1G4, B2G2G3, B2G2G4, B2G3G4 Hence total of 12 combinations. Answer is B (B stands for Boy and G stands for Girl)

Ans 5:

Archit Sanyal from Manav Rachna International , Gurgaon
Class : Class 5
Stupid question 😡😡😡

Ans 6:

Archit Sanyal from Manav Rachna International , Gurgaon
Class : Class 5

Ans 7:

Achyut Rai from THE KHAITAN SCHOOL, NOIDA
Class : Class 7
stupid questionwhat logic 🤬🤬👿👿😡😡.

Ans 8:

Radnyee Gore from Blue Ridge Public School, Pune
Class : Class 4

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Arnav Deshpande from Rainbow International School, Thane
Subject :NSO    Class : Class 5

Ans 1:

Shubham Parab from PPS, Mumbai
Class : Class 8
please explain ow is the answer given is correct

Ans 2:

Anas Matin Barmare from DPS, Dubai
Class : Class 8
Please we need an explanation this q is hard.

Ans 3:

Nayanika Sadhish from CL Metha Sishya OMR, Chennai
Class : Class 9
This question is very complicated please do help us understand by giving the explanation 😊

Ans 4:

Tanmay kaushal from ICSE, Mumbai
Class : Class 5
Class :Please give explanation....its really hard....I didn't get how is D the answer

Ans 5:

shubhavi Dhondge from NPS, Banagalore
Class : Class 9

Ans 6:

Devavrat Sharma from Podar International School, Mumbai
Class : Class 9
please give explanation

Ans 7:

Anannya Mahajan from Dps, Paradip
Class : Class 7

Ans 8:

somesh from Centre point katol road, Nagpur
Class : Class 6
Sof fools have not even given the solution. LOL!

Ans 9:

Bhavya Patidar from Mount Litra Zee School Indore MP India , Indore MP India
Class : Class 5
 A-P

Ans 10:

Biju Pappachan from Rkc , Raipur
Class : Class 1
Explanation please.

Ans 11:

Soundarya pandey from SVM ,Vasai east, Vasai
Class : Class 7
D is the answer because fig. p and fig. q pulley systems contain only one pulley wheres fig. r pulley system as two pulleys which makes the work easier

Ans 12:

A Venkata Sai Pranav from Podar International School, Bhusawal
Class : Class 9
How the options are wrong

Ans 13:

Vedant Pandey from Manav Rachna International School, Gurgaon
Class : Class 5

Ans 14:

Soundarya pandey from SVM ,Vasai east, Vasai
Class : Class 7

Ans 15:

Shreyansh Gupta from MVN, faridabad
Class : Class 7

Ans 16:

Anannya Mahajan from Dps, Paradip
Class : Class 7

Ans 17:

Devansh from asn senior secondary school, delhi
Class : Class 8
plese exlination

Ans 18:

Agastya Tripathi from dps gurgaon, Gurgaon
Class : Class 4

Ans 19:

Raksheet Shah from Swami Vivekanad International School, Mumbai
Class : Class 8
pls give the explaination

Ans 20:

Lavanya Pratap Singh from DPS Noida, Noida
Class : Class 9

Ans 21:

SOHAM MUKHERJEE from SOUTH POINT SCHOOL, KOLKATA
Class : Class 5

Ans 22:

Ekansh Sharma from VidyaShilp Academy, Bengaluru
Class : Class 6
Sof kindly explain us how is the answer D it should be A

Ans 23:

Shivisha Bajpai from Greenwood High, Bangalore
Class : Class 5
Omg why didn’t they give the freaking explanation?!

Ans 24:

Haasini Krishna from Global edge, Hyderabad
Class : Class 6
please explain P diagram

Ans 25:

SRISANTH from Edify, Tirupathi
Class : Class 5
Actually r only has the property given

Ans 26:

Ashmi Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 9
My answer is correct but I need explanation. Can SOF and Admin explain the answer.Thank You

Ans 27:

Sai Anshuman from De Paul , Berhampur
Class : Class 6

Ans 28:

Saanvi Prasad from DPS Noida, Noida
Class : Class 5
I mean like seriously it is so hard....

Ans 29:

Bhavya Patidar from Mount Litra Zee School Indore MP India , Indore MP India
Class : Class 5
A-P

Ans 30:

Sohan Chelekar from Millennium National School, Pune
Class : Class 7

Ans 31:

Bitan Karan from DAV Public School, Haldia Township
Class : Class 7

Ans 32:

Aryan Sirohi from Mount LItera Zee School, Bangalore
Class : Class 8
A]P only

Ans 33:

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

Ans 34:

Dushyant Singh from Shri Ram Centennial School, Indore
Class : Class 6
the answer's Q an R.

Ans 35:

Nayanika Sadhish from CL Metha Sishya OMR, Chennai
Class : Class 9

Post Your Answer

JESHAL MOHAPATRA from GEMS MODERN ACADEMY, Dubai
Subject :NSO    Class : Class 3

Ans 1:

Ava from trio, bangalore
Class : Class 2
Yes it is looking like a laddoo they should put a colored picture not a B

Ans 2:

Shruti from ,
Class : Class 1

Ans 3:

Arihant Medhi from Dps Barasat, Kolkata
Class : Class 8
Yes

Ans 4:

Mahi from BIS , delhi
Class : Class 5
c and idili

Ans 5:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 10
option c is not looking like a idly. it is looking like a laddoo

Ans 6:

Shruti from ,
Class : Class 1
i thought it was laddoo so i chose cheese (a) but it was c idli and they should change the picture to a coloured picture or we will get confused

Ans 7:

vineet8026@gmail.com from dps, Doha
Class : Class 1
Oh!

Ans 8:

Havi Jain from GEMS modern academy, Gurgaon
Class : Class 8
they should change the picture if they can"t they should show a colored picture.

Ans 9: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Option A - Cheese is rich in Protein Option B - Eggs are rich in Protein and Carbohydrates Option C - Idlis are made up of rice/semolina flour (coarse, fibre rich particles of wheat left behind after the finer particles of flour have passed through the refining process), urad dal, etc. It is rich in carbohydrates. Protein and roughage are also present in it. Option D - Butter is rich in Fats

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Dipam from Podar International School, Aurangabad
Subject :NSO    Class : Class 6

Ans 1:

Yoovan from Xyz school, Delhi
Class : Class 10
Q,because salt dissolves quickly in hot water.

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Manit Aggarwal from St. Patricks Academy Bengaluru, Bangalore
Subject :NSO    Class : Class 1

Ans 1:

anu from Haralur, Bengaluru
Class : Class 5
a

Ans 2: (Master Answer)

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

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Jairaj Singh Basur from Vivek High School, Chandigarh
Subject :NSO    Class : Class 6

Ans 1:

Dipam from Podar International School, Aurangabad
Class : Class 8
Answer: (D) Solution: In the options, A is correct as ice has strong forces of attraction since it is a solid. It can't be compressed and has fixed shape and volume. It can't flow.

Ans 2:

arin chaitanya from the shri ram school, New Delhi
Class : Class 9

Post Your Answer

Avaneesh Sai Vemparala from The knowledge habitat, Pune
Subject :NSO    Class : Class 6

Ans 1:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
a

Ans 2:

Darsh Singh from The Deens Academy, Bengaluru
Class : Class 6
A

Ans 3:

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

Ans 4:

kpks14 from RIMT World School, Chandigarh
Class : Class 7
option a

Ans 5:

Indrobrata Sarkar from Techno India Group Public School, Chinsurah
Class : Class 6
Yes option A

Ans 6:

Punya Paras Sundrani from Anand Niketan , Ahmedabad
Class : Class 7
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Ans 7:

Raksheet Shah from Swami Vivekanad International School, Mumbai
Class : Class 8
aaaaaaaaaaaaaaaaaaaaaaaaa

Ans 8:

Ashwak from Cambridge, Jalandhar
Class : Class 9
A

Ans 9:

SARTHAK KUMAR from KOTHARI INTERNATIONAL SCHOOL NOIDA,UP, NOIDA
Class : Class 7
a

Ans 10:

Raksheet Shah from Swami Vivekanad International School, Mumbai
Class : Class 8
a will be the ans

Ans 11:

SARTHAK KUMAR from KOTHARI INTERNATIONAL SCHOOL NOIDA,UP, NOIDA
Class : Class 7

Post Your Answer

OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Subject :NSO    Class : Class 4

Ans 1:

Arnav kaul from Chirec, Hyderabad
Class : Class 2
B

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Keerthana from FAIPS, Chennai
Subject :NSO    Class : Class 6

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Aarohi Tiwari from St Mary ICSE School, NAVI MUMBAI
Subject :NSO    Class : Class 5

Ans 1:

RIDDHIMA KHERA from APEEJAY SCHOOL NOIDA, NOIDA
Class : Class 5
Answer should be b)- 3 right angles will be taken by the clock.

Ans 2:

Malay Mayank from Air force school bareilly , Samastipur
Class : Class 6
Answer of this question will be 3 right angles because 12 noon to 12 fifteen pm makes 1 right angle 12 fifteen to twelve thirty 1 right angle and twelve thirty to twelve forty five 1 right angle Total right angles is 3

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