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Question

A number of friends decided to go on a picnic and planned to spend Rs. 96 on eatables. Four of them, however, did not turn up. As a consequence, the remaining ones had to contribute Rs. 4 each extra. The number of those who attended the picnic was

A
8
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B
12
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C
16
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D
24
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Solution

The correct option is D 8
Let the number of persons be x. Then,
96x496x=41x41x=496x(x4)x(x4)=124
x24x96=0(x12)(x+8)=0x=12
So, required number =x4=8.

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