Question

In a house, an dectric bulb of 100 W, 4 tube lights cach of 40 W are used for 5 houses per day. If the cost of 1 unit is 5.00, calculate the amount of electric bill for 30 days. ​

Answer 1

Answer:

100 W x 5 = 500 W

40 W x 4 = 160 W x 5 = 800 W

cost of 1 unit = 5.00.

500 W + 800 W = 1300 W

Cost of 1300 W = 1300 x 5 = Rs 6500

now,

the amount of electric bill for 30 days = Rs 6500 x 30

= Rs 19500

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