There are 65 students in a class 39 rupees are distributed among them so that each boy gets 80 P and...........

Quantitative Aptitude ( CCS) Ratio, Proportion

There are 65 students in a class, 39 rupees are distributed among them so that each boy gets 80 P and girl gets 30 P. Find the number of boys and girls in that class.

43, 40

36, 33

39, 26

45, 42

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Explanation:

Let boy=x, and girl=y
therefor, x+y=65
=>3x+3y=195....(1)
according to question
80x+30y=3900
8x+3y=390.....(2)
from equation (1) and (2)
5x=195
x=39
and y=26