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The difference between the greatest and ...

The difference between the greatest and the smallest numbers formed by all the digits `2, 3, 5,` and `7` is `XYZX`, where `X, Y, Z` are digits, then `X` is___.

A

`5`

B

`8`

C

`9`

D

`10`

Text Solution

Verified by Experts

The correct Answer is:
A
`XYZX = 7532 - 2357 = 5175 `
`therefore x = 5`
Hence, the correct option is (a).
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