4 years ago, the age of Krishna was three times that of Yuvansh, but one year ago the age of Krishna was two times that of Yuvansh. What is the difference between the ages of Krishna and Yuvansh? 1) 7 years 2) 11 years 3) 13 years 4) 6
Answer (1)
27th Mar, 2025
Ley the current age of Krishna and yuvansh as-
Krishna - k
Yuvansh- y
1. Four years ago -
K-4=3(Y-4)
K-4=3y-12
Which gives k=3y-8
2. One year ago -
K-1=2(y-1)
Which gives k=2y-1
Solving eqn 1 and 2 it gives
Y=7
Substitute in the eqn to find
K=13
The diff is k-y= 13-7 = 6
Comments (0)
