National Science Olympiad Forum By SOF Olympiad Trainer - Page 182
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Sanidhya from RKMV Deoghar, Muzaffarpur
Subject :NSO    Class : Class 7

Ans 1:

Ayush Agarwal from DPS NOIDA, Noida
Class : Class 8
A very small head: Convex mirror,A fat body : Concave mirror, andLegs of normal size: Plane mirror

Ans 2:

Hrishita Borah from DPS Dhaligaon, Bongaigaon
Class : Class 9
Explanation of the answer should be there along with the answer given.

Ans 3:

Aarav Srivastav from DWPS , Noida Extension
Class : Class 7
EXACTLY!

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Sanidhya from RKMV Deoghar, Muzaffarpur
Subject :NSO    Class : Class 7

Ans 1:

keshav kumar from symbiosis public school, begusarai
Class : Class 8
as we know the temperature of the ice not increase during melting it remains constant at 0 degree celcius

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Kitika Kothari from Ramniwas Bajaj High School, Mumbai
Subject :NSO    Class : Class 2

Ans 1:

Aarav nikalji from Apeejay school nerul , Navi Mumbai
Class : Class 4

Ans 2:

Sreyas from Don Bosco, Park Circus, Kolkata
Class : Class 5

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mishika tripathi from DPS, Gurugram, Haryana
Subject :NSO    Class : Class 4

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NIHAL from ISS, Sohar
Subject :NSO    Class : Class 5

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Adhrit from CHSV, Chennai
Subject :NSO    Class : Class 6

Ans 1:

Adhrit from CHSV, Chennai
Class : Class 8
Alligators live in freshwater, not Crocodiles. Crocodiles live in saltwater

Ans 2:

Ayush Chauhan from Modern Public School, Bhiwadi
Class : Class 9
yes crocodiles live in places like swamps not freshwater

Ans 3:

Adhrit from CHSV, Chennai
Class : Class 8

Ans 4:

Vihaan from Dhirubhai Ambani International School, Mumbai
Class : Class 6
A

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Adhrit from CHSV, Chennai
Subject :NSO    Class : Class 6

Ans 1:

Adhrit from CHSV, Chennai
Class : Class 8

Ans 2:

Kaashvi Sharma from Bal Bharati Public School, GRHM, New Delhi
Class : Class 8
It should be option B, as paint neither sinks nor floats. It simply dissolves

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Tejesh VB from GEMS New Millennium School, Al Khail, Dubai
Subject :NSO    Class : Class 5

Ans 1:

Kumaran from Delhi Public School , Bangalore
Class : Class 2

Ans 2:

Samanyu from NPSI, Singapore
Class : Class 5
In a certain code language, ‘master’ is written as ‘OCUVGT’. Let’s take the first letters of each word – m and O.m – n – o ----- There is one letter (n) missing between m and o. And O is written in capitals.Let’s take the second letters of each word – a and C. a – b – c ----- There is one letter (b) missing between a and c. And C is written in capitals.Same is the case with other four letters of these two words. Now, let’s see how ‘system’ will be written in the code language.Letter s will be written as U in the code language. ----- There will be one letter (t) missing between s and u. And U will be written in capitals.Letter y will be written as A.Letter t will be written as V.Letter e will be written as G.Letter m will be written as O.That means, ‘system’ will be written as ‘UAUVGO’. Hence, Option C is the right answer.

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Vidit Kishore from Johnson Grammar School, Hyderabad
Subject :NSO    Class : Class 3

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Adhrit from CHSV, Chennai
Subject :NSO    Class : Class 6

Ans 1:

Adhrit from CHSV, Chennai
Class : Class 8

Ans 2:

Vasudev Krishna from Indian School Al Ghubrah, Muscat
Class : Class 6

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