book Maths Puzzle Numerical Ability

Frank can type a report in 2hrs and james takes 5hrs. How long does it take them together?

Read Solution (Total 0)

book Other Question

Complete the following statement x^2 + 2x - 80 = (x+10) ( )

This one is comfusing.

Can someone help please.

Thanks 1. x+2x-4+5(2x-4)-2=13