International Maths Olympiad Forum By SOF Olympiad Trainer - Page 283

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Subject :IMO    Class : Class 9

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Subject :IMO    Class : Class 8

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Subject :IMO    Class : Class 1

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Subject :IMO    Class : Class 2

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 2

Ans 1:

Class : Class 2
answar is b

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 1

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 9

Ans 2:

Class : Class 8
Where is the top and base of cylinders in A?

Ans 3:

Class : Class 4

Ans 4:

Class : Class 8

Ans 5:

Class : Class 8
question is wrong, ans should be option(d)

Ans 6:

Class : Class 8

Ans 7:

Class : Class 8
The correct answer should be D

Ans 8:

Class : Class 8
D is the correct answer

Ans 9:

Class : Class 8
In Option A, there are no circles at the ends of the rectangle. Therefore, the solid figure so formed by this net will be open, since there would be nothing to close them. On the other hand, Option D has two circles at the ends, so the solid figure formed by this net will be closed and a proper cylinder. Actually, the net should have the circles at the edges of the ends, not exactly in the middle. Therefore, the correct answer should be Option D. SOF IS HUMBLY REQUESTED TO RECTIFY ALL ERRORS IN TESTS.

Ans 10:

Class : Class 8
a

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 6

Ans 2:

Class : Class 8

Ans 3:

Class : Class 6
ans 4

Ans 4:

Class : Class 2
D answer is correct

Ans 5:

Class : Class 8

Ans 6:

Class : Class 6
Option C is the correct answer

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