The ratio of the ages of two persons is 4 : 7 and the age of one of them is greater than that of the other by 30 years. The sum of their ages (in years) is = ?
A. 110
B. 100
C. 70
D. 40
Answer: Option A
Solution(By Examveda Team)
Ratio of the age of two person A : B = 4 : 7 = 4x : 7xDifference of their ages is = 7x - 4x = 30
i.e. x = 10
Age of A = 4 × 10 = 40
Age of A = 7 × 10 = 70
Sum of their ages = 40 + 70 = 110
This Question Belongs to Arithmetic Ability >> Ratio
Related Questions on Ratio
If a : b : c = 3 : 4 : 7, then the ratio (a + b + c) : c is equal to
A. 2 : 1
B. 14 : 3
C. 7 : 2
D. 1 : 2
If $$\frac{2}{3}$$ of A=75% of B = 0.6 of C, then A : B : C is
A. 2 : 3 : 3
B. 3 : 4 : 5
C. 4 : 5 : 6
D. 9 : 8 : 10
Join The Discussion