National Science Olympiad Forum By SOF Olympiad Trainer - Page 748
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Harsh from D.A.V.PUBLIC SCHOOL PATIALA, Patiala
Subject :NSO    Class : Class 6

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Dhruv from na, Udaipur
Subject :NSO    Class : Class 6

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gunu from kendriya vidyalya no1, Cuttack
Subject :NSO    Class : Class 5

Ans 1:

Devina kashyap from TPS, Mumbai
Class : Class 4
C should be correct as when V increases U and T will also increase and when T increases then S will also increase so S will have the greatest population and U will be second populated the population of T will go as S will eat T but there is no one to eat U so S is the highest and then U (is the second highest)

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koushtubh from lakshmipat singhania academy, Kolkata
Subject :NSO    Class : Class 5

Ans 1:

Karmanya Gupta from DPS, Udaipur
Class : Class 8

Ans 2:

Manish from DPS North Bangalore , Bangalore
Class : Class 10
Please explain the answer

Ans 3:

Kaustubhi Reddy from Meridian hyderabad, Hyderabad
Class : Class 4
How

Ans 4:

Ayush Kumar from Maria Assupta Sr. Sec. Convent School, KASHIPUR
Class : Class 5
How to solve this problem. Please explain.

Ans 5:

Aarush Pathak from Vibgyor High Magarpatta City, Pune
Class : Class 6
Yes.Please explain the reason.

Ans 6:

Haroon T K from Silver Hills public school , Calicut
Class : Class 5

Ans 7:

Narayana K from DPS North Bangalore, bengaluru
Class : Class 5
How to solve this problem. Please explain

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joya ghosh from ,
Subject :NSO    Class : Class 5

Ans 1:

INDRANI GHOSH ROY from AMRITA VIDYALAYAM, Durgapur
Class : Class 5
Option no. D is correct. This is because as nylon is a synthetic fibre , it doesn't absorb sweat and also sheep is the animal from whom wool is obtained, and yes silverfish do damage silk and woollen clothes.

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Hrushikesh from DAV Public School, Thane
Subject :NSO    Class : Class 7

Ans 1:

parijatsomani from The Global Edge School, Hyderabad
Class : Class 7
if you magnetise a material for eg if you magnetise a piece of iron with the south pole of a magnet , the side which you are magnetising will be north

Ans 2:

Aditya kumar from Sapphire International School, Noida
Class : Class 8
its "a"

Ans 3:

Hritvi from Podar International School, Mumbai
Class : Class 7
Correct Option is A

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KADALI VAMSIKRISHNA from BVM GLOBAL AT BOLLINENI HILLSIDE, Chennai
Subject :NSO    Class : Class 5

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om swaroop Nayak from modern public school, balasore
Subject :NSO    Class : Class 6

Ans 1:

Shomili from Global Indian International School, Singapore
Class : Class 9
The answer should be B

Ans 2:

Akshit from Innocent heart school, Jalandhar
Class : Class 8
C is also correct

Ans 3:

Akshit from Innocent heart school, Jalandhar
Class : Class 8
Sorry A is also correct

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Harsh from D.A.V.PUBLIC SCHOOL PATIALA, Patiala
Subject :NSO    Class : Class 6

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aakash srivastava from st francis college lucknow, Lucknow
Subject :NSO    Class : Class 7

Ans 1:

Harshil Malhotra from Takshila, Mandi
Class : Class 8
There were all sparrows but six' means that six birds were not sparrows but only ... 6. This is possible when there are 3 sparrows, 3 pigeons and 3 ducks i.e. 9 birds in all.

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