Find the number of integers between $10$ and $40$ , inclusive, which leave a remainder of zero when divided by $3$ .

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Solution

The correct option is B 10
A number when divided by $3$ leaves a reminder $0$ is a multiple of $3$ .
Therefore the multiples of $3$ between $10$ and $40$ are
$12, 15, 18, 21, 24, 27, 30, 33, 36, 39$
Hence in total $10$ numbers.

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Find the number of integers between 10 and 40, inclusive, which leave a remainder of zero when divided by 3.

The correct option is B 10A number when divided by 3 leaves a reminder 0 is a multiple of 3. Therefore the multiples of 3 between 10 and 40 are 12,15,18,21,24,27,30,33,36,39Hence in total 10 numbers.

Find the number of integers between $10$ and $40$ , inclusive, which leave a remainder of zero when divided by $3$ .

The correct option is B 10
A number when divided by $3$ leaves a reminder $0$ is a multiple of $3$ .
Therefore the multiples of $3$ between $10$ and $40$ are
$12, 15, 18, 21, 24, 27, 30, 33, 36, 39$
Hence in total $10$ numbers.