The ratio of present ages of Ratna and Shantanu is 5:4. After 19 years the ratio of their ages will be 10:9. What is Ratna's present age?
A) 19 B) 15 C) 9 D) 72
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Step-by-step explanation:
After 19 years the ratio of their ages will not be increased.
Therefore, Ratna's present age is 19.
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