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Question

Gayathri has 21 sweets with her. If she wants to distribute 9 sweets each to her friends, she would be left with sweets.

A
3
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B
5
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C
4
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D
2
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Solution

The correct option is A 3
To find out how many sweets Gayathri has left with her, we need to divide 21 by 9.

If Gayathri gives 9 sweets to one of her friends, she has 219=11 sweets left with her.

If she gives 9 out of the 11 sweets that she has, she is left with 119=3 sweets.

She cannot give to another friend as she has only 3 sweets.

After distributing 9+9=18 sweets in total to two of her friends, Gayathri is left with 3 sweets.

In other words, the remainder when 21 is divided by 9 is 3.

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