Mathematics Past Questions and Answers

√9 x √9 = ?

What comes next in the sequence: 1, 2, 6, 22, ...?

If a<sub style='font-size: smaller;'>n</sub> = (-1)<sup style='font-size: smaller;'>n</sup>/2n-1, then a<sub style='font-size: smaller;'>4</sub> = ?

The cost of production of an article is made up as follows<br/><br/>Labour N70<br/><br/>Power N15<br/><br/>Materials N30<br/><br/>Miscellaneous N5<br/><br/>Find the angle of the sector representing labour in a pie chart.

What is the 31th term of the sequence: 1, 4, 7, 10, ...?