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Question

If 783842M is divisible by 10, find the value of M.


A

0

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B

1

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C

2

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D

3

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Solution

The correct option is A

0


If a number is divisible by 10, then the unit's digit must be 0.

Therefore, 783842M should have 0 as its unit's digit.

Hence, the value of M is zero.


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