The least number which is a perfect square and is divisible by each of the numbers 16, 20 and 24, is :

Six years ago, Rahim was P times as old as Kalam was. If Rahim is now 17 years old, how old is Kalam now in te...

What percentage of numbers from 1 to 80 has 0 or 5 in the unit's digit?

The length, width, and depth of a rectangular box are 6 feet, 5 feet, and 7 feet, respectively, A pipe supplie...

A rectangular field is 3.2 yards long. A fence marking the boundary is 11.2 yards in length. What is the area...

If w is 10 percent less than x, and y is 30 percent less than z, then wy is what percent less than xz?

Akash bought two varieties of rice, costing Tk. 50/kg each, and Tk. 60/kg each, and mixed them in some ratio....