International Maths Olympiad Forum By SOF Olympiad Trainer - Page 214

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
Correct answer is D.Solution:Age of Yashika = 14Age of Simran = 11Sum of their ages now = 25Number of years it takes for their sum of ages become Sum of their ages now,Yashika = 14 16 = 30 = XXXSimran = 11 16 = 27 = XXVII

Ans 2:

Class : Class 6
I used elimination method.

Ans 3:

Class : Class 8
D

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 4

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