
One more Smart Puzzle
The ratio of Boys to Girls is 6:4.
If 60% of the boys and 40% of the girls take lunch in the canteen.
What % of class takes lunch in canteen..?
Answer:
Assume there are 6X boys and 4X Girls Total Students taking lunch in canteen
= (6X)(60/100) + (4X)(40/100)
= 36(X/10) + 16(X/10)
= 52(X/10) Total students are
= 6X + 4X = 10X % of class taking lunch in canteen
= ((52X/10) * 100 ) / 10X
= 52 %
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