National Science Olympiad Forum By SOF Olympiad Trainer - Page 349

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 9
D IS THE INCORRECT MATCH

Ans 2:

Class : Class 8
what is H2S4? It shoul be H2SO4

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 9

Ans 2:

Class : Class 10
it should be A

Ans 3:

Class : Class 6
wowwwwwwwww

Ans 4:

Class : Class 9

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8
I found 14 only. How is it 15? Please explain me!

Ans 2:

Class : Class 8
someone send me the detailed solution of this question

Ans 3:

Class : Class 10
pls send me detailed solution because i didnt understand how to solve this

Ans 4:

Class : Class 10
Answer should be 17 cause there are also the the corner cubes which have 3 face painted which have not been considered in the question. Pls correct this questions you guys dont correct any questions which have been challenged on the forum. Very lousy service not expected :(

Ans 5:

Class : Class 10

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 8
c

Ans 3: (Master Answer)

Class : Class 1

C


Ans 4:

Class : Class 8
c

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Subject :NSO    Class : Class 8

Ans 1:

Class : Class 8

Ans 2:

Class : Class 10
in the first biggest square there are 4 triangles and then when you see the corners there are again 4 triangles (because of the rhombus) then the 4 triangles in the corner are divided into 2 parts parts so there are total 8 small triangles and now if we divide the square diagonally we will get triangles we can divide it in 4 ways so now in total we have 20. now in bigger the rhombus in the corners of it you can find total 4 triangles. then in the smaller square we have a similar square as the bigger one so again 20. in total there are 20 4 20 = 44 and it is not in answer so it is none of these (d)

Ans 3:

Class : Class 10
in the first biggest square there are 4 triangles as we divide it into 4 parts diagonally.

Ans 4:

Class : Class 8
Why

Ans 5:

Class : Class 9
how many triangles are there in this figure....correct answer is d

Ans 6:

Class : Class 8

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Subject :NSO    Class : Class 9

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Subject :NSO    Class : Class 2

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 8
Heart ,artery and veins as you all know are parts of circulatory system . Thus, there is no odd one out in group X. Brain and spinal cord run your nervous system and liver helps in the digestive system . Kidney , skin and even lungs are part of excretory system so group Z is clear .Thus , option 'C' liver is the odd one out as it cannot be placed in group Y .

Ans 2: (Master Answer)

Class : Class 1

C

Heart, artery and vein of group X are part of circulatory system. Brain and spinal cord of group Y are part of nervous system while liver is a part of digestive system. Kidney, lung and skin of group Z are part of excretory system. Hence, liver cannot be placed in group Y.


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