Babu has 540 cakes. He wants to distribute then equally to some persons. IF THE NUMBER OF CAKES IS EQUAL TO 15% OF THE NUMBER OF PERSONS, find the number of cakes given to each person.

Babu has 540 cakes. He wants to distribute then equally to some persons. IF THE NUMBER OF CAKES IS EQUAL TO 15% OF THE NUMBER OF PERSONS, find the number of cakes given to each person.
A.60
B.20
C.9
D.54

Ans: C
Explanation:
x= no of cakes, y= no of persons
540/x=y
but x=(15/100)y
540/ (15/100)y=y
y2=(540*100)/15=3600
y=60
x=540/60=9

Quick method:
Go with options:
(15/100)*60=9

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