Question

calculate the bill amount for a month of august , if 8 bulbs of 20 w for 10h ,4 tubelight of 40 w for 5h , a TV of 120 w for 10 h and a washing machine of 500 w for 2h are used per day . the cost of per unit is ₹1.8

Answer 1

20+40+120+500=680
680×1.8= 685.44