An employee started on a salary of £ 6,000 per annum and received a constant increment. If he earned a total of £ 32,400 by the end of five years, calculate his annual increment

Answer 1

His increments each year were

0,x,2x,3x,4x, summing to 10x

So, 10x = (32400-6000)/5

Answer 2

528