The average weight of 20 men is increased by 2 kg. when one of the men, Which weight 80 kg is replaced by a new man. Find the weight of the new man.
A80 Kg
B100 Kg
C120 Kg
D110 Kg
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The average monthly expenditure of a family for the first four months is Rs. 2750, for the next three months is Rs. 2940 and for the last five months Rs. 3130. If the family saves Rs. 5330 during the whole year, find the average monthly income of the family during the year.
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