National Science Olympiad Forum By SOF Olympiad Trainer - Page 528
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Sanskriti Ranjan from SETH ANANDRAM JAIPURIA SCHOOL, Ghaziabad
Subject :NSO    Class : Class 7

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Champ from Reliance Foundation School, Mumbai
Subject :NSO    Class : Class 7

Ans 1:

Prachi Todalge from New India School, Pune
Class : Class 7

Ans 2:

Nandu from The Asian School, Bahrain
Class : Class 3
bruh ans is b

Ans 3:

Mridul Jain from Shishukunj International School Indore, Indore
Class : Class 9

Ans 4:

Prisha Gupta from Lokhandwala Foundation School, Mumbai
Class : Class 7
the correct answer is b

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swagat sibsshish from davpublic school cuttack, Cuttack
Subject :NSO    Class : Class 7

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Soumil sahu from DPS Chandigarh , Chandigarh
Subject :NSO    Class : Class 6

Ans 1:

Pragyan Srivastava from Manipal Public School, Lucknow
Class : Class 10
The correct option is D as of you actually perform it , you will see that water rises by 21% this is as combustion required oxygen which is about 21%in volume . Since it was exhausted , and space occupied air was lowered by 21%. , The water rose . This it proves 1) air has space 2) air has oxygen

Ans 2:

Shourya Ganesh from The Green Acres Academy, Mumbai
Class : Class 9
Thank you jyoti but don't post this message so many times

Ans 3:

Pragyan Srivastava from Manipal Public School, Lucknow
Class : Class 10
The correct option is D as of you actually perform it , you will see that water rises by 21% this is as combustion required oxygen which is about 21%in volume . Since it was exhausted , and space occupied air was lowered by 21%. , The water rose . This it proves 1) air has space 2) air has oxygen

Ans 4:

Pragyan Srivastava from Manipal Public School, Lucknow
Class : Class 10
The correct option is D as of you actually perform it , you will see that water rises by 21% this is as combustion required oxygen which is about 21%in volume . Since it was exhausted , and space occupied air was lowered by 21%. , The water rose . This it proves 1) air has space 2) air has oxygen

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ALICE from Delhi Public School, UDAIPUR
Subject :NSO    Class : Class 2

Ans 1:

Aryaman from mris, gurgaon
Class : Class 4
yes correct answer should be d

Ans 2:

Nikhita from Baldwin girls High school, bangalore
Class : Class 2

Ans 3:

Anagha Dwivedi from SRGS Lucknow, Lucknow
Class : Class 4
the correct answer should be D and not A.

Ans 4:

Shrihan Koley from Radiant International School , Patna
Class : Class 5
The correct answer should be D not A

Ans 5:

Shrihan Koley from Radiant International School , Patna
Class : Class 5
The correct answer should be D because parrot can fly but parrot means dog

Ans 6:

ALICE from Delhi Public School, UDAIPUR
Class : Class 9
correct answer should be D

Ans 7:

Havish jale from CHIREC INTERNATIONAL SCHOOL, Hyderabad
Class : Class 6
D is correct not A

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Priya Lalwani from Sophia Sr Sec School, Bikaner
Subject :NSO    Class : Class 9

Ans 1:

from ,
Class : Class 10
Correct option is C. As more than two words can be made

Ans 2:

ICHALKARANJI from dkte, ichalkranji
Class : Class 8
which word are made

Ans 3:

Anusha from , faridabad
Class : Class 9
The words are: acre, race and care.

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khushi Joshi from Svkm , Mumbai
Subject :NSO    Class : Class 7

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khushi Joshi from Svkm , Mumbai
Subject :NSO    Class : Class 7

Ans 1:

Trinav Majumdar from Akshara Internatonal School, Pune
Class : Class 5

Ans 2:

Trinav Majumdar from Akshara Internatonal School, Pune
Class : Class 5
The answer is b because when she turn to her right after 5 km her left becomes our right.So,she turns 10 km to her right for us so 10 km+5 km= 15 km.

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khushi Joshi from Svkm , Mumbai
Subject :NSO    Class : Class 7

Ans 1:

Bipasana from KV IIT Kanpur, Kanpur
Class : Class 9
This is wrong. How can two eights be counted as one number?

Ans 2:

Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Class : Class 8
8 is the same even number

Ans 3:

Daksh from RKC, Rajkot
Class : Class 8
This is totally wrong , the solution also

Ans 4:

SRIJA SRINIVASAN PAKU from KENDRIYA VIDHYALAYA ASHOK NAGAR, Chennai
Class : Class 8

Ans 5:

Aanya from DAV, Gurgaon
Class : Class 8
yes

Ans 6:

Adhrit from CHSV, Chennai
Class : Class 8
This is very obviously wrong, how can you count the 2 eights as one?

Ans 7:

Antareep Mukherjee from New Horizon Public School, Bangalore
Class : Class 8

Ans 8:

Hamsavarshini Swaminathan from St Anns Senior Secondary School, Roorkee
Class : Class 10
I do not agree with SOF. They should be counted as different numbers.

Ans 9:

Antareep Mukherjee from New Horizon Public School, Bangalore
Class : Class 8

Ans 10:

Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
Two eigths should be counted differently, not as stated in the solution.

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Arnav Basu from faps, Bengaluru
Subject :NSO    Class : Class 1

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