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The personal, social, and economic significance of the purchase to the consumer.
The average cost of three chairs is Rs.16000. The average cost decrease by 20% when one more chair is included. What is the cost price of the 4th
The average age of 21 children is 30 years. 4 new children, whose average age is 15 years, join them. Find the average age of the 25 children.
The average of 25 numbers is 40. If 2 is added to each number, then the new average will be: