International Maths Olympiad Forum By SOF Olympiad Trainer - Page 50

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Subject :IMO    Class : Class 9

Ans 1:

Class : Class 9
What is the difference between Option A and B??22/7 * 28 gives 88 only correct?

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6

Ans 2:

Class : Class 6
Time shown on the clock = 7:20 hours7:20 - 15 minutes = 7:05 hoursThus, the correct answer is A

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
(2/5 x 1/4 x 3/7) x a = 15 6/140 x a = 15 a = (15 x 140)/6 = 2100/6 = 350 to find: a/2 a/2 = 350/2 = 175 So ans is C

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