The price of 7 tennis balls is 406 taka. The average price of 1st 3 balls is 58 taka and last 3 balls are 55 taka. a What is the average price of the balls? b. What is the price of 4th balls? c. Difference between the total price of 1st 3 balls and last 3 balls is the average price of 10 pens d. What is the total price of 10 pens?
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Answer:
a. 15
b. 32
c. 19
d. 96
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