National Science Olympiad Forum By SOF Olympiad Trainer - Page 222

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 3

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 6
Ans= 3 4=7

Ans 2:

Class : Class 2
c

Ans 3:

Class : Class 2
7 is the correct answer

Ans 4:

Class : Class 2
3 4=7

Ans 5:

Class : Class 2
I got 40/40 in 2015 paper 📄

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 9
please explain answer

Ans 2:

Class : Class 8
It is C

Ans 3:

Class : Class 9

Ans 4:

Class : Class 5

Ans 5:

Class : Class 8
give the solution

Ans 6:

Class : Class 8

Ans 7:

Class : Class 9
It is A

Ans 8:

Class : Class 9

Ans 9:

Class : Class 5
Hi

Ans 10:

Class : Class 5

Ans 11:

Class : Class 9

Ans 12:

Class : Class 8
The correct answer should be A because in the diagram all the magnets repel each other and like poles repel.

Ans 13:

Class : Class 4

Ans 14:

Class : Class 7

Ans 15:

Class : Class 9
assuming that poles are downward the bottom is south so the upper one will be north the next one needs to be north because it is facing north of the last magnet , thus upper part will be south and to repel from south ...the next magnet will be south and have north on top ...this can go on till infinity in an alternating pattern.

Ans 16:

Class : Class 6
sof dosent have a mind

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 6
how??explain me

Ans 2:

Class : Class 7

Ans 3:

Class : Class 6

Ans 4:

Class : Class 7
answer is D because more distance is needs to be covered to reach the top than option C. This is the explanation

Ans 5:

Class : Class 6
how the hell is it D and there is no solution please explain

Ans 6:

Class : Class 9

Ans 7:

Class : Class 6
thank you

Ans 8:

Class : Class 7

Ans 9:

Class : Class 4

Ans 10:

Class : Class 5

Ans 11:

Class : Class 9
How? From which angle? Explain me! Wow! There is not even the solution!Then How 'D' is the answer

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3

Ans 2:

Class : Class 3
B

Ans 3:

Class : Class 4
it's tricky but I found out luckily it's B

Ans 4:

Class : Class 3

Ans 5:

Class : Class 4
another puzzlewhat is pentagon plus pentagon plus hexagon =???(solution: count the sides and then add)

Ans 6:

Class : Class 4

Ans 7:

Class : Class 5
YATINDRA, ANSWER IS 16

Ans 8:

Class : Class 6
B

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Subject :NSO    Class : Class 1

Ans 1:

Class : Class 5
please tell your answer I am confused

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Subject :NSO    Class : Class 9

Read the given statements and select the correct option.
Statement 1 : A body thrown vertically up with a velocity u reaches the maximum height h after T seconds. At a time 2T seconds its velocity becomes zero.
Statement 2 : A particle thrown vertically up with a velocity comes back to its initial position with same magnitude of velocity but in opposite direction.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Statement 1 is false but statement 2 is true.


How?

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
whats the solution

Ans 2:

Class : Class 4

Ans 3:

Class : Class 9

Ans 4:

Class : Class 6
can you tell the solution for this question

Ans 5:

Class : Class 6

Ans 6:

Class : Class 8
Pls tell the solution

Ans 7:

Class : Class 6
why the solution is not given

Ans 8:

Class : Class 7
(((((((((((((((((((((((((((((((((((((((((BBBBBBBBBBBBBBBBBBBBBBB))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))((((((((((((((((((((((((((((((((((((((BBBBBBBBBBBBBBBBBB))))))))))))))))))))))))))))))))))))))))

Ans 9:

Class : Class 5
solution please

Ans 10:

Class : Class 9
what is the solution ?_?

Ans 11:

Class : Class 6

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 1
ya d

Ans 2:

Class : Class 6
D

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