Question : Some boys raised Rs. 12,544 for a famine fund, each boy has given as many rupees as there were boys. The number of boys was:
Option 1: 102
Option 2: 112
Option 3: 122
Option 4: 132
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Correct Answer: 112
Solution :
Let the total number of boys be x.
The amount contributed by each boy = Total number of boys
According to the question,
x
2
= 12544
or, x = $\sqrt{12544}$ = 112
So, the number of boys = 112
Hence, the correct answer is 112.
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