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Anuj Hatoneya

· started a discussion

· 1 Months ago

Bull**** (Question: 292667.0 )

C is the answer!

Question:

Four different candles, which can last for 5 hours, 4 hours, 3 hours and 2 hours of burning respectively, are lit in a room at the same instant and allowed to burn till such time that the three candles in the room get extinguished. The cost of burning each one of these candles is 75 paise per hour. The total cost is –

Options:
A)

Rs. 2.75

B)

Rs. 3.00

C)

Rs. 9.75

D)

Rs. 12.50

Solution:

Ans: (c)

Total cost = \((2+3+4+4)\times\frac{75}{100}=9.75\)

Priya shukla

· commented

· 1 Months ago

Plz explain

Priya shukla

· commented

· 1 Months ago

How??

Abhishek Shah

· commented

· 1 Months ago

yes
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