a2zinterviews

29.	A driving school claims an average test pass rate of 76.8 percent. What is the least number of pupils required to achieve this result?

Answer

125 96 passes out of 125 give an average of 76.8% .

30.	Which number goes in the middle?

Answer

17 Moving diagonally downwards from loft lo right, numbers increase by the same amount each line.