Question 48

John is 15 years younger than Jill. 12 years ago, Jill’s age was 1.5 times that of John. Jill is now .......... years old.

Solution

Let Jill's age=15+x
john's age =x
12 years ago...
john's age =(x)-12
jill's age =(x+15)-12
A.T.Q.
1.5×(x-12)=(15+x)-12
1.5x-18=3+x
1.5x-x=3+18
0.5x=21

x=42

Jill's age=15+42=57

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RRB ALP 17th Aug 2018 Shift-3

John is 15 years younger than Jill. 12 years ago, Jill’s age was 1.5 times that of John. Jill is now .......... years old.

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