Amit is younger than Arjun by 6 years. If the ratio of the ages of Amit and Arjun is 5 : 7, then what is the age of Amit (in years)?
A41
B35
C15
D30
Answer:
C. 15
Read Explanation:
age of Amit be 'x' years.
Age of Arjun = x + 6 years
Ratio of the ages of Amit and Arjun is 5 : 7
x/x + 6 = 5/7
7x = 5(x + 6)
7x = 5x + 30
2x = 30
x = 15