International Maths Olympiad Forum By SOF Olympiad Trainer - Page 52

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Subject :IMO    Class : Class 5

Kanchan is thinking of a 5-digit number. The number is a multiple of 5. The ten's place digit is the highest common factor of 16 and 24. The hundred's place digit is the smallest odd number. The ten thousand's place digit is an even prime number. The thousand's place digit is the third multiple of the sum of the ten thousand's place and hundred's place digit. There are only 2 even digits in the number. What number is Kanchan thinking of?

A 23180
B 23185
C 29182
D 29185


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Subject :IMO    Class : Class 5

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