The average weight of 5 persons sitting in a boat is 28 kg. If the average weight of the boat and the persons sitting in the boat is 56 kg, what is the weight of the boat?
A.232 kg
B.242 kg
C.122 kg
D.196 kg✓ Correct
Explanation
Total weight of 5 persons = 5×28 = 140 kg. Total weight of boat + 5 persons = 6×56 = 336 kg. Weight of boat = 336 − 140 = 196 kg.
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