A house has ten 40W and five 100W bulbs. How much will it cost the...
PHYSICS
JAMB 2013
A house has ten 40W and five 100W bulbs. How much will it cost the owner of the house to keep them lit for 10 hours if the cost of a unit is 5N?
- A. N90
- B. N50
- C. N45
- D. N5
Correct Answer: C. N45
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