Exam Maths Puzzle Numerical Ability Simple & Compound Interest

if 12000 is compound and it doubles in 5 years. what is the total amount in 20 years.

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Exam Other Question

The ratio of age of the Karthick and Vasanth is 4:3. At the time of college admission the ratio of their age was 5:3 and after 4 years this ratio will become 9:7. Find how many years ago they got admission? Present age of Sundar is 47 years and his wife's age is 38 years. When they were married, Sundar was exactly one and half as old as his wife. How many years ago they were married?