Kohli is 3 years younger than Rohit. If the ratio of ages of Kohli and Rohit is 7 ∶ 8, then what is the age of Kohli?
A21 years
B27 years
C18 years
D24 years
Answer:
A. 21 years
Read Explanation:
Solution:
Given:
Kohli is 3 years younger than Rohit.
The ratio of their ages is 7 : 8.
Calculations:
Let Kohli s age be x then Rohit's age is x + 3.
According to question,
x/(x + 3) = 7/8
⇒ 8x = 7(x + 3)
⇒ 8x - 7x = 21
⇒ x = 21
Hence, The Required age is 21 years.