Question

A shop is fitted with five 40 w fans and four 100 w bulbs.find the cost of using fans for 10 hrs a day and bulbs for 6 hrs each day for 25 days at 30 per unit of electrical energy.

Answer 1

Answer:

Explanation:

Qty. Time

40 W fans = 5 10 hrs

100 W bulb = 4 6 hrs

Fans:

40× 5×10×30×25 = 1500000 Rs

100× 4× 6× 30 × 25= 1800000 Rs