sandeep kumar d 7.5*3=22.5 & 22.5+7.5=30
vasundhara a present age=x 2x+9/5x+9=1/4 x=9 age of A=2x=18
AHSAN 18 Ratio of the present age of A and B=2:5 Let present age of A=2x Present age of B =5x After 9 years, ratio of their ages =1:4 (2x+9)(5x+9)=1:4 ⇒4(2x+9)=1(5x+9) ⇒8x+36=5x+9 ⇒8x-5x=36-9 ⇒3x=27 ⇒x=9 A present age is=2x=2*9=18 ans
Correct Answer: 18
Solution:
18