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Karim has exactly 3 times as many Bangladesh as non-Bangladesh stamps in his collection . Which of the following cannot be the number of stamps in Karim's collection ?

Karim has exactly 3 times as many Bangladesh as non-Bangladesh stamps in his collection . Which of the following cannot be the number of stamps in Karim's collection ? Correct Answer 54

Here, the ratio is 3 : 1. The total number of stamps must be divisible by the sum of the ratios which is (3 + 1 = 4). Only the number 54 is not divisible by 4. So, 54 cannot be the total number of stamps in his collection.

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