1.

In a house, 3 bulbs of 25 W each are used for five hours a day. Calculate the units of electricity consumed in 31 days. Also, find total expenditure if one unit costs rupees 2.50.

Answer»

In a house, 3 bulbs of 25 W each are used for five hours a day. Calculate the units of electricity consumed in 31 days. Also, find total expenditure if one unit costs rupees 2.50.



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