Question

Mr dinesh earns rs 7500 per month during first three months ,rs 9500 per months during next 6 months and rs 12800 per months during last 3 months of a year find his average earning per month during the whole year

Answer 1

First 7500 should be divided by 3 due to 3 months of tenure
=7500 /3
=2500

Next for same
=9500/6
=1583.3

Continue,
=12800/3
=4266.67

Add the sum to get average
=8349.97
Approximately =8350 rupees

Answer 2

$(7500 \times 3 = 22500) + (9500 \times 6) + (12800 \times 3) = 117900. 117900 \div 12 = 9825 \\ |$