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Q.
Present ages of Deepa and Hyma are in the ratio of 5:6 respectively. After four years, this ratio becomes 6: 7. What is the difference between their present ages?
A.
6 yrs
B.
4 yrs
C.
8 yrs
D.
2 yrs
View Answer
Correct choice: B
Explanation:
Let the present age of Deepa = 5p Let the present age of Hyma = 6p After four years their ratio = 6 : 7 => 5p + 4 / 6p + 4 = 6/7 => 35p + 28 = 36p + 24 => p = 4 Therefore, the difference between their ages = 24 - 20 = 4 years.
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