Mathematics Past Questions and Answers

A box contains two red balls and four blue balls. A ball is drawn at random from the box and then replaced before a second ball is drawn. Find the probability of drawing two red balls.

Which one of the following gives the members of the set A1 n B n C?

What is the modal age?

Convert 0.04945 to two significant figures

Calculate 243\(_{six}\) — 243\(_{five}\) expressing your answer in base 10