If Rs 50 is to be distributed among 150 students giving 50 paisa to each boy and 25 paisa to each girl, then the number of boys is:

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answer is D.

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Detailed Solution

Concept- This is a two-variable linear equation issue. In this, total no. of boys and girls are not given. For a number of boys and girls, two equations should be created and solved.
Let the number of boys

then number of girls

Now, According to question, we get:

Multiply equation by 100 , we get

Hence, the correct option is (4) .

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