The electric company charge: Tk 0.3 per KWH. Rahim used 2800 KWH in April, 3200KWH in May, and 3600 KWH in June. What was his average costs of electricity in taka for the 3 months?
A. 72
B. 96
C. 48
D. 144
E. None
সঠিক উত্তরঃ
B.
96
Explanation:
Total usage = 2800 + 3200 + 3600 = 9600 kilowatt-hours Thus, total cost = 9600 kilowatt-hours * 3 paisa = Tk 288
Therefore, average cost = Tk 288/3 = Tk 96
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