Exam Government Jobs Exams Numerical Ability

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?

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Exam Other Question

if 12000 is compound and it doubles in 5 years. what is the total amount in 20 years. Pipe A and pipe B could fill the tank in 15 hours. One day both pipes were opened for 5 hours then pipe B was closed. Pipe A filled the remaining amount in 30 hours. How many hours would it take to fill the tank using only pipe A?