Four years ago the ratio of ages of Vishal and Devansh was 3 5 Four years from now the respective ra...........

Quantitative Aptitude ( CCS) Problems based on Ages

Four years ago, the ratio of ages of Vishal and Devansh was 3 : 5. Four years from now, the respective ratio will become 2 : 3. What is the ratio of age of Vishal 4 years ago and Devansh’s present age?

4 : 5

1 : 2

6 : 11

3 : 4

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Explanation:

Solution:
—————————–V——————–D
4 years ago ————–3———————-5 ——-(eq 1)
4 years hence————2———————–3 ——- (eq 2)
Difference of V= 3-2=1; Difference of D= 5-3=2
to make this difference equal multiply eq 2, by 2 we get
—————————–V——————–D
4 years ago ————–3———————-5 ——-(eq 1)
4 years hence————4———————–6 ——- (eq 2)
difference = 1 in both case
This is for 8 years =>1= 8 years
V=3*8=24 (4 years ago)
D=5*8=40 (4 years ago)
ratio =24/44=6:11