John is 15 years younger than Jill, 12 years ago, Jill's age was 1.5 times that of John. Jill is now ___ years old.
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Two numbers are 35% and 40% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?
The volume of a right circular cone, whose radius of the base is same as one-third of its altitude, and the volume of a sphere are equal. The ratio of the radius of the cone to the radius of the sphere is :
A bus is running at a speed of 90 kmph. What distance will it cover in 20 seconds?
Koushik can do a piece of work in X days and Krishnu can do the same work in Y days. If they work together, then they can do the work in
If a - b = 6 and ab =16, then a3 - b3 is
Find the value of 491321973
In ΔABC measure of angle B is 90 deg. If cosA = 5/13, and AB = 10 cm, then what is the length (in cm) of side BC?