Ratio And Proportion Ques 12
Question-
The respective ratio between the present age of Aarti and Savita is $5: x$. Aarti is 9 years younger than Jahnavi. Jahnavi’s age after 9 years will be 33 years. The difference between Savita’s and Aarti’s age is same as the present age of Jahnavi. What will come in place of $x$ ?
21
37
17
(4) Cannot be determined
(5) None of these
(IBPS Bank PO/MT CWE 18.09.2011)
Show Answer
Correct Answer: 5
Solution: (5)
Jahnavi’s present age $=33-9=24$ years
$\therefore$ Aarti’s present age $=24-9=15$ years
Now,
Aarti : Savita $=5: x=15: 3x$
$\therefore$ Savita’s current age $=3 \times$ years
$\therefore 3 x-15=24$
$\Rightarrow 3 x=24+15=39$
$\Rightarrow x=\frac{39}{3}=13$
BETA
