exam Maths Puzzle Numerical Ability

s=a[1-r^n]/1-r,make r the subject of the formula [sum of geometry progression]

Read Solution (Total 0)

exam Other Question

In the figure below, <B and <D are right angles and AD=4. what is the length of BC? The lenght of a rectangle is 3 inches more than its width.If the area of the rectangle is 238 square inches,what is its lenght?