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The present age of Preeti is twice Ruchi’s present age. Six years ago, their average age was 15 years. What will be the Preeti’s age after f...
Present age of ‘A’ is 40% more than that of ‘B’. If 25 years hence from now, ‘B’ will be 15 years younger than ‘A’, then find the sum of...
Tap P can fill the tank in 5 hours and Tap Q can empty it in `7(1/2)` hours. Tap P starts filling and they opened for 1 hour each alternatively....
A certain sum of money becomes 4 times of itself in 15 years at simple interest. In how many years does it become double of itself at the same rate of s...
The ages of A, B and C together are 63 years. B is thrice as old as A and C is 8 years older than A. What is the difference between ages of B and C?
9 years ago, the average age of a family of five persons was 50 years. In between these 9 years the family adopted a girl. Now at present the average ag...
The ratio of the present age of mother and son is 11:5. 5-years ago the father's age was 5 years less than thrice the age of son and 6 years hence the a...
The total age of A, B and C seven years hence will be 85 years. Find the age of C seven years hence, if the present age of A and B is 30 years and 22 ye...
