National Science Olympiad Forum By SOF Olympiad Trainer - Page 790
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Bhagya from Cchs, Jaipur
Subject :NSO    Class : Class 6

Ans 1:

Vasu tyagi from St Joseph's High school, Panvel
Class : Class 6
Length of a ribbon she cut is 18m(6×3).so the answer is B (x-18)cm.

Ans 2:

Saamarthya Vikas Bhagwani from SCOTLE High School, jaipur
Class : Class 6

Ans 3:

Shreyasi Padihary from The Cambridge International School , Bangalore
Class : Class 7
The correct answer is C..If you pay close attention to the question, you will realize that it says Xm not X cm. She cuts of 6 pieces of ribbon measuring 3cm each. 6 multiplied by 3 is equal to 18cm. Now to subtract 18 cm from Xm we must convert Xm into cm. We can do this by multiplying X into 100 , which is equal to 100X. Next we will subtract 18cm from 100X which is equal to (100X-18)cm. Thus the correct answer is C. Hope you found it helpful :)

Ans 4:

Shreya from GOS, Bangalore
Class : Class 6
it is wrong

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Bhagya from Cchs, Jaipur
Subject :NSO    Class : Class 6

Ans 1:

Ishaan Gupta from Cornerstone Public School, Hyderabad
Class : Class 7

Ans 2:

Aarav Gupta from Cambridge International School, Jalandhar
Class : Class 5
this a question of maths why is it in the question paper of science how can this happen

Ans 3:

Aarav Srivastav from DWPS , Noida Extension
Class : Class 7

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purnendu from National public school , indiranagar , Bengaluru
Subject :NSO    Class : Class 3

Ans 1:

Jeronee from Christwood School, PERUMBAKKAM
Class : Class 5
shivering

Ans 2:

Palaash Gang from Billabong High school malad, Mumbai
Class : Class 4
shivering

Ans 3:

Aarav chandak from Witty internatioal school, Bhiwara
Class : Class 8

Ans 4:

Palaash Gang from Billabong High school malad, Mumbai
Class : Class 4

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aneeshahadke@gmail.com from Euroschool Airoli, Mumbai
Subject :NSO    Class : Class 6

Ans 1:

ramesh datta from DPS dwarka , New Delhi
Class : Class 7
answer will be a because if L2/L3 is lighted, it means S2/S3 are closed. if any one of them is closed then circuit will be complete for L1 and it will glow.

Ans 2:

Shreyas V Poojary from Sri Sri Ravishankar Vidya Mandir , Bangalore
Class : Class 9

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Anuj from R N Podar school, Mumbai
Subject :NSO    Class : Class 7

Ans 1:

Mohinder singh from Sacred heart convent school, Ludhiana
Class : Class 7
Practice cum workbook mentions the reason for digestion of cellulose as the secretion of cellulose enzyme. How same team can mention different answer for same ques.

Ans 2: (Master Answer)

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

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Aditya Sai Vemparala from Amanora school, Pune
Subject :NSO    Class : Class 5

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Anuj from R N Podar school, Mumbai
Subject :NSO    Class : Class 7

Ans 1: (Master Answer)

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

Ans 2:

Diya from Basil, Vadodara
Class : Class 8
1

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Madhureema Kadiravan from ,
Subject :NSO    Class : Class 5

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joya ghosh from ,
Subject :NSO    Class : Class 5

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Ananya from Vibgyor High, Bengaluru
Subject :NSO    Class : Class 5

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