Find the cost of running a 60W lamp for 24 hours. If 1kW hr cost 5 naira
-
A.
14.4 naira -
B.
12.5 naira -
C.
7.2 naira -
D.
2.0 naira
Correct Answer: Option C
Explanation
Cost = P(Kwh) x Cost per KW
= (frac{60 times 24}{1000} times N5 = N7.2)
Cost = P(Kwh) x Cost per KW
= (frac{60 times 24}{1000} times N5 = N7.2)