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The average cost of three chairs is Rs.11000. The average cost decrease by 20% when one more chair is included. What is the cost price of the 4th
The average weight of apples in a basket is 50 kg. 6 more apples with an average weight of 60 kg are added to the basket. If the average weight of the b...
The average age of a group of eight children is 9 years. Two children, whose ages were 7 years more and 5 years more than the average age, left. Two new...
Of the four numbers, whose average is 75, the first is one-fourth of the sum of the last three. The first number is
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In a Company the average income of all the employees is Rs. 22000 per month. Recently the company announced an increment of Rs. 2000 per month for all t...
The average number of books on history, polity and geography in a library is 165, and the average number of books on history and geography is 140. If th...
The average cost price of 15 pens (having equal cost price) decreased by Rs.2, when one of the pen is replaced by a new pen having cost price of Rs.70. ...
The average mark obtained by 140 candidates in a certain examination is 50. If the average marks of passed candidates are 55 and that of the failed cand...