National Science Olympiad Forum By SOF Olympiad Trainer - Page 748
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kpks14 from RIMT World School, Chandigarh
Subject :NSO    Class : Class 4

Ans 1:

Rishab Murthy from Birla Public School , Doha
Class : Class 5
I think it is 'B'. I am not sure.

Ans 2:

Rishab Murthy from Birla Public School , Doha
Class : Class 5
Hi

Ans 3:

Soumya Bajaj from Rainbow Internatinal School, kopergaon
Class : Class 4
Answer is A, as rectangle has 5 blocks and star has 5 parts which cannot be divided into two equal parts i.e 2.5 (incomplete parts)

Ans 4:

MOHD ALZEB SAIFI from AKSHARA VIDYALAYA, Nellore
Class : Class 6
Answer is B. Star and Rectangle are divided into equal 5 pieces.

Ans 5:

Niveideeta Cour from Suncity World School, Gurgaon
Class : Class 5
I guees it is option B

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

Ans 1:

Neehar D.S.V from Sri Chaitanya Techno School, Bengaluru
Class : Class 7
answer is c

Ans 2:

Tushar from DPS, Bengaluru
Class : Class 9
In the first case, there is a pendulum which represents periodic motion. In the second case, there is a guitar which has vibratory motion involved in it. The second case also represents periodic motion as a person playing guitar needs to the follow rhythm. The third case shows a bell which is usally used to proclaim the particular hour, which also repeats itself after fixed intervals of time. Hence it is periodic motion. In the last case, it is again a musical instrument which needs rhythm to be played properly. Hence the answer should be C which is "periodic motion".

Ans 3:

Pratyush from GMA Dubai, Dubai
Class : Class 7
ANS - B as there is no circular motion taking place but rectilinear motion happens in every result of force .

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Tabassum N. Hussain from Podar International School, Aurangabad
Subject :NSO    Class : Class 4

Ans 1:

Rishab Murthy from Birla Public School , Doha
Class : Class 5
I think it is 'C' . I am not sure.

Ans 2:

MOHD ALZEB SAIFI from AKSHARA VIDYALAYA, Nellore
Class : Class 6
Answer is D

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PARTH SETHI from DPS Noida, New Delhi
Subject :NSO    Class : Class 5

Ans 1:

Suvan S from Edify School Chikkabanavara, Bangalore
Class : Class 7
Correct option is b.

Ans 2:

Pratyush Vishwanatham from Shishu Griha Montessori and High School, Bangalore
Class : Class 6

Ans 3:

Hitanshi Behera from Loyola School , Bhubaneswar
Class : Class 4
ans is A

Ans 4:

Hitanshi Behera from Loyola School , Bhubaneswar
Class : Class 4
Answer is A

Ans 5:

Hitanshi Behera from Loyola School , Bhubaneswar
Class : Class 4
Answer is A

Ans 6:

Sarang Shete from Amanora School, Pune
Class : Class 8
ans is A because new moon does not occur directly 4 days after full moon.

Ans 7:

Hitanshi Behera from Loyola School , Bhubaneswar
Class : Class 4
Answer is A

Ans 8:

Shreyansh Gupta from MVN, faridabad
Class : Class 6
ans is b only

Ans 9:

Ridit Mishra from Delhi Public School, Gurgaon
Class : Class 8

Ans 10:

Anita from DPS, Xxx
Class : Class 10

Ans 11:

Gunjan Rudraruhi Chauthiya from New Beersheba Public School, Pithoragarh
Class : Class 8
Answer should be A

Ans 12:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5

Ans 13:

TANVI DAS from GAIL DAV Public School , Dibiyapur
Class : Class 8
Answer is NOT A. If u think closely, there are 14 days between 16 and 30. I also thought it was A, it was a silly mistake. So please, correct your thinking

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Chinmayi Ramasubramanian from Sri Kumarans, Bengaluru
Subject :NSO    Class : Class 5

Ans 1:

Karan Chavan from GIIS,Chinchwad, Pune
Class : Class 5
what is the answer

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Shreya Sampathkumar from Christ Academy, Bengaluru
Subject :NSO    Class : Class 9

Ans 1:

Rahul kumar from Khublal yadav smarak high school bishanpur, Jamui
Class : Class 9
Uphill movement movement by active transport against concentration gredient

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Shreya Sampathkumar from Christ Academy, Bengaluru
Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

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

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Shreya Sampathkumar from Christ Academy, Bengaluru
Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
Нам нужны адекватные и ответственные парни и девушки для выполнения не сложной, но хорошо оплачиваемой работы. Опыт и образование не требуется. Заинтересованы в хорошем заработке? Прошу в телеграм @karabeitm

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Shreya Sampathkumar from Christ Academy, Bengaluru
Subject :NSO    Class : Class 9

Ans 1:

aakarsh from DPS, Digboi
Class : Class 9
Fluorine

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SAINITHIN from DAV PUBLIC SCHOOL, Chennai
Subject :NSO    Class : Class 4

Ans 1:

Ajoy Bhuyan from DELHI PUBLIC SCHOOL, Bongaigaon
Class : Class 4

Ans 2:

Saarang roy from Indian school ghubra, Muscat
Class : Class 6
yes answer is 87

Ans 3:

Ajoy Bhuyan from DELHI PUBLIC SCHOOL, Bongaigaon
Class : Class 4

Ans 4:

Samiksha Sharma from VV Dav Public School, New Delhi
Class : Class 4
It is 87 Because 2/5cars left means 46 cars left so remaining vehicles left are 69 cars + 18 cycle =87 vehicles

Ans 5:

Priyam Bhattacharya from cambridge court high school, jaipur
Class : Class 6
ans is 87

Ans 6:

Satvik Agrawal from Delhi Public School, bhopal
Class : Class 5
ans is 87 everybody please write in the error and saarth is mad

Ans 7:

Advait Kumar Mangalik from The S D Public School, Muzaffarnagar
Class : Class 4
2/5 of 115 is 46. So,115-46==69 18 bicycles=87

Ans 8:

Sourish Mahakul from Delhi Public School Electronic City, Bengaluru
Class : Class 8
ans is 87

Ans 9:

Nidhesh Agarwal from Chinmaya vidyalaya, Bokaro steel city
Class : Class 4
answer is 87

Ans 10:

Nishit Vaity from Euro School Airoli, Navi Mumbai
Class : Class 6
ans is 87

Ans 11:

Nidhesh Agarwal from Chinmaya vidyalaya, Bokaro steel city
Class : Class 4

Ans 12:

Saarth Agrawal from Podar International School , Mumbai
Class : Class 6
Answer is 64 because it is mentioned that 2/5 cars left IN the parking,

Ans 13:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
answer is 64

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