1
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Question

# Alex distributed 57 balloons equally to his 7 friends to fill them with water. He filled the remaining balloons. How many more balloons are filled by his friends compared to him?

A
8
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B
7
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C
5
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D
6
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Solution

## The correct option is B 7Total number of balloons = 57 Number of ballons filled by each of his friends can be obtained by dividing 57 by 7. Lets apply repeated subtraction here. 57 - 7 = 50 50 - 7 = 43 43 - 7 = 36 36 - 7 = 29 29 - 7 = 22 22 - 7 = 15 15 - 7 = 8 8 - 7 = 1 After distirbuting 1 balloon to each of his friends 8 times, he will left with only 1 balloon. So he will fill only 1 ballon the remaining one. His friends will fill 8 balloons. So the difference = 8 - 1 = 7

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