There are four candles which can burn for 5 hours, 4 hours, 3 hours and 2 hours respectively

There are four candles which can burn for 5 hours, 4 hours, 3 hours and 2 hours respectively. All of them are lighted at the same time. They are kept lighted till the time 3 candles are finished. If the cost of lighting each candle is Rs. 1.50 per hour, what will be the total expenditure?
(a) Rs.16.50
(b) Rs.18.00
(c) Rs.19.50
(d) 21.00

Anurag Mishra Professor Asked on 9th June 2016 in Maths.
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  • 2 Answer(s)

    Answer: (c) Rs.19.50 

    Anurag Mishra Professor Answered on 9th June 2016.
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    c

    vinesh Newbie Answered on 22nd June 2016.
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