A 100 watt bulb is ON for 5 hours a day. What is the electricity bill for a 30-day month if unit cost is TK. 3.0? [PWD-99]

A 100 watt bulb is ON for 5 hours a day. What is the electricity bill for a 30-day month if unit cost is TK. 3.0? [PWD-99]

A Tk. 50.0

B Tk. 45.0

C Tk. 48.0

D Tk. 42.0

Solution

Correct Answer: Option B