23. Mr. T has a wrong weighing pan. One arm is lengthier than other. 1 kilogram on left balances 8 melons on right, 1 kilogram on right balances 2 melons on left. If all melons are equal in weight, what is the weight of a single melon. Sol: Let additional weight on left arm be x.
Answers
Given : Mr. T has a wrong weighing pan. One arm is lengthier than other. 1 kilogram on left balances 8 melons on right, 1 kilogram on right balances 2 melons on left
all melons are equal in weight,
To Find : what is the weight of a single melon.
Solution:
Mr T has a wrong weighing pan
Let say 1 kg on left balance = 1 + x kg on right balance
1 kg on right balance = 1 - x kg on left balance
1 kilogram on left balances 8 melons
=> 8 melons = 1 + x kg
1 kilogram on right balances 2 melons
=> 2 melons =1 - x kg
10 melons = 2 kg
=> 5 melons = 1 kg
=> 1 melons = 1/5 kg = 200 g
weight of a single melon. = 200 g
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