book Maths Puzzle Numerical Ability

What is the formula to figure the percentage one number represent over another? For example if I sold $1,613 last year, and will sell $1,804 this year, what is the % increase?

Read Solution (Total 0)

book Other Question

Buildup each fraction or whole number so that it is equivalent to the fraction with the indicated denominator

5/7=?/98 In how many ways can you walk up a stairway that has 7 steps if you can take 1 0r 2 steps at a time?