Time and Work

The ability of the four candles to burn, respectively, is 5h, 4hrs, 3h, and 2h, respectively, is ignited in one cell at the same time. They are lit up in the chamber until the moment the three candles are extinguished in the room. If the cost of burning each candle is 75 paisa per hour, the total expenditure will be?

Showing Answers 1 - 4 of 4 Answers

Zac Graphite

  • Jun 2nd, 2017

The candles are lit simultaneously. They burn for 4+4+3+2=13 hours (till 3 candles extinguish).
so total cost is 13*0.75 = Rs 9.75

  Was this answer useful?  Yes


  • Aug 18th, 2017

3 candles are burns means, all candles are ignited 2 hours.
total expenditure is = .75*4*2=6/-

  Was this answer useful?  Yes

Give your answer:

If you think the above answer is not correct, Please select a reason and add your answer below.


Related Answered Questions


Related Open Questions