If = 4 then find the value of x.

If the radius of a circle is decreased by 20% then the area is decreased by:

If the ratio of the area of a sector to the area of the circle is 3:5. What is the ratio of the legth of thear...

When a plot is sold for Tk. 18,700 the owner loses 15%. At what price must that plot be sold in order to again...

Two bikes start at he same time from two destination 200 km apart and traved towards each other. If they cross...

A worker union contract specifies a 6% salary increase plus a Tk. 450 bonus for each worker. For a worker, thi...