In a huge Jewellary shop, the electric gadgest being used are 17 tubelights of 40 W each, 14 fans of 80 W each, 16 bulbs of 60 W each, 11 bulbs, of 100, W each, 11 AC, s or 2100 W each, 9 laptops of 200 W each and 10 TV of 120 W each. In a day. Tube lights and TV's are used for 8 h but 60 W bulbs are sued for 7 h and 100 W bulbs are used for 9 h whears laptons and AC's are used for 5 h and 9 h respectively. However, fans are used for 11h. (Note 100W=1 unit, 1 mons =30 days )
What is the total electric energy consumed (in unist) by 60 W bulbs in the whole month ?

Options

A. Fans
B. Tubleights
C. Laptops
D. TV's

Answer

A

Explanation

Electricity consumed by all fans
`=14xx80xx11xx30=369600W`
Electricity consumed by all laptops
`=9xx200xx5xx30=270000W`
Electricity consumed by all tubelights
`17xx40xx8xx30=163200W`
Electricity consumed by all TV's
`17xx120xx8xx30=288000W`
Electricity consumed by 100 W bulb
`=11xx100xx9xx30=297000W`
hence fans consumed more electricity.