A sum of Tk. 312 was divided among 100 boys and girls in such a way that each boy gets Tk. 3.60 and each girl Tk. 2.40. The number of girls is :

A 35
B 40
C 60
D 65

Correct Answer: 40

x + y = 100.......... (1) 3.60x + 3.60 y = 360 3.60 x + 2.40y = 312........ (2) 1.2y = 48 y = 48/1.20 = 40
Bissoy MCQ
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