Question 52

When a positive integer is divided by d, the remainder is 15. When ten times of the same number is divided by d. the remainder is 6. The least possible value of d is:

Solution

When a positive integer is divided by d, the remainder is 15 and When ten times of the same number is divided by d. the remainder is 6.

So,

15 will be also ten times so,

Remainder = 150

By the option B)

When 150 is divided by 16 then remainder will be 6.

Hence, correct answer is option B) 16.

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