A landlord has eight 40W electric light bulbs, four 60W bulbs and two 100W bulb in his house. If he has all the points on for five hours daily and if N.E.P.A. charges 5k per unit, his bill for 30 days is
a
N5.70
b
N7.23
c
N3.65
d
N8.05
e
N4.50
Explanation
Correct Option
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Discussions (9)

Dherra
5 years ago
my school your parameters aren't correct
you gave a time of hours and you solved using 150hrs
please
do cross check and correct.

Michealubegirl
5 years ago
try cross check before you lay your comments.the question stated that five hours daily.and daily is 30 therefore 30*5=150

