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. `5:6`
B. `4:5`
C. `3:4`
D. `2:3`

Answer

D

Explanation

Required ratio `=(201.6)/(297)=(2)/(3)`