An empty pool is being filled with water at a constant rate. It takes 9 hours to fill 3/5 th of the pool. How much more time will it take to completely fill the pool?

What is the minimum number of chocolates that must be added to an existing batch of 220 chocolates, so that th...

Ashraful has purchased a square sheet of plywood of 169 square feet area. To cover a wall he must cut off 3 fe...

In the figure below ACDH and BCEF are rectangles, AH=3, GH=3, GF=3, and EF=6. What is the area of BCDG?

In an examination there ere 60 multiple choice questions. For every right answer 1 point is added and for ever...

A painter has painted 1/3 of a rectangular wall that is 12 feet high. When he will paint another 50 square fee...

If one number exceeds another number by 12 and the smaller number is 1/3 time the larger number, then the larg...