General Math

Simplify 100110 + 11011.

A man bought a car for 8.5 million cedis and later sold it for 9.5 million cedis. Find his percentage gain.

The exterior angle of a regular pentagon is 70 degrees. Find the sum of its interior angles.

Two dice are thrown once. What is the probability that the same number shows up on both dice?

If (x-6)(x+4) = 0, find the value of 5x+4 when x > 0.

A motorist covers 3km in 4 minutes. What is his average speed in metres per second?

Is 3 a rational number?

Express 75882 to three significant figures.

Find the equation of the line which passes through the points (-2,7) and (2,-3).

The point P(-3,4) is reflected in the line x+2 = 0. Find the co-ordinates of the image of P.