Ram age was half of Shaym’s age, 10 years ago. If the ratio of their present ages is 3:5, what is the sum of their ages at present?
(A) 30
(B) 50
(C) 70
(D) 80
Answer: (D)
Explanation:
Say Rams present age = r
that of shaym =s
r-10 = (s-10)/2
r/s = 3/5
6s-100 = 5s-50
s =50
r = 30
Sum = 80
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