Mathematics Past Questions and Answers

Evaluate \(\sqrt{15} \times (\sqrt{3})^3\)

A pillar Y is 4 km east of a pillar X while another Z is 4 km south of Y on the same level ground. Find the straight line distance of X from Z.

The population of a town is 15,386. Express this number in two significant figures.

There is a basket containing red and blue balls. 40% of the balls are red and 60% of the balls are blue. Two red balls are added into the basket to make them 50% red and 50% blue balls in the basket. How many balls are in the basket now?

A 10 m ladder placed on the wall of a building makes an angle of 60° with the horizontal ground. What is the height of the building?