A sales girl gave a change of N1.15 to a customer instead of N1.25. Calculate her percentage error

Evaluate (101.5)2 - (100.5)2

A group of students took a test and the following frequency table shows the scores above Find the mode

Simplify 36\(^\frac{1}{2}\) x 64\(-^\frac{1}{3}\) x 5\(^0\)

A group of students took a test and the following frequency table shows the scores above The median score is

Express the product of 0.06 and 0.09 in standard form

A group of students took a test and the following frequency table shows the scores above The mean score is

Find the 8th term of the A.P -3, -1, 1 ......

If cos 60° = 1/2, which of the following angle has cosine of -1/2?