Mathematics Past Questions and Answers

Factorize completely 81a4 - 16b4

One interior angle of a convex hexagon is 170^o and each of the remaining interior angles is equal to x^o. Find x

A ship H leaves a port P and sails 30 km due south. Then it sails 50km due west. What is the bearing of H from P?

In a sample survey of a University Community, the following table shows the percentage distribution of the number of members per house hold
\(\begin{array}{c|c} \text{No. of members per household} & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & \text{Total} \\ \hline \text{No. of households} & 3 & 12 & 15 & 28 & 21 & 10 & 7 & 4 & 100\end{array}\)
What is the median?

On a square paper of length 2.524375cm is inscribed square diagram of length 0.524375cm. Find the area of the paper not covered by the diagram. correct to 3 significant figures.