1.

An electric lamp is marked 60 W, 230 V. The cost of 1 kilowatt hour of power is Rs. 1.25. The cost of using this lamp for 8 hours is                                                                            [KCET 1994]

A.            Rs. 1.20                                   
B.            Rs. 4.00
C.            Rs. 0.25                                   
D.            Rs. 0.60
Answer» E.


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