Mathematics Past Questions and Answers

If a positive integer, list the values of x which satisfy the equation 3x - 4 < 6 and x - 1 > 0

If c and k are the roots of 6 - x - x² = 0, find c + k

Each of the interior angles of a regular polygon is 140^o. Calculate the sum of all the interior angles of the polygon

A bucket holds 10 litres of water. How many buckets of water will fill a reservoir of size 8m x 7m x 5m.(1 litre = 1000cm³)`

A box contains black, white and red identical balls. The probability of picking a black ball at random from the box is \(\frac{3}{10}\) and the probability of picking a white ball at random is \(\frac{2}{5}\). If there are 30 balls in the box, how many of them are red?