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Question

The largest 4-digit number that can be put together using the digits 1, 7, 2 and 5 is .

A
7521
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B
7251
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C
7152
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D
7215
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Solution

The correct option is A 7521

To form the largest number using the digits 1, 7, 2 and 5, we need to arrange the digits in descending order.

7 > 5 > 2 > 1

Hence on arranging the digits in descending order, we get 7521, which is the largest 4 digit number that can be formed using the digits 1, 7, 2 and 5.


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