Age of X is thrice the age of Y. 3 year before age of X was 4 times that of Y. Sum of ages of X and

M4maths Previous Puzzles

19 Nov 2021 Age

Age of X is thrice the age of Y. 3 year before age of X was 4 times that of Y. Sum of ages of X and Y in present will be

OPtion

1) 24
2) 28
3) 30
4) 32
5) 40
6) 48
7) 56
8) 36
9) 90
10) none of these

Solution

let age of x is a and y is b
now age of x is thrice age of y
a=3b;
now before three years (a-3)=4(b-3)
=>3b-3=4b-12
b=9
=>a=3*9=27
sum of ages is 27+9=36

Correct Option: 8 Best Solution (3)