What is the cost of running five 50W lamps and four 100W lamps for 10 hours if electrical energy costs 2 Kobo per KWh? - SchoolNGR

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What is the cost of running five 50W lamps and four 100W lamps for 10 hours if ...

What is the cost of running five 50W lamps and four 100W lamps for 10 hours if electrical energy costs 2 Kobo per KWh?

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Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

A N0.65
B N0.39
C N3.90
D N0.13

Correct Answer: Option D

Explanation:

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