Rakesh and Rajesh together bought 10 balls and 10 rackets. Rakesh spent 1300 and Rajesh spent 1500. If each racket costs three times a ball does, then what is the price of a racket?
Rs. 70
Rs. 90
Rs. 210
Rs. 240
Answer is (c). Let the cost of each ball is Rs. X. Then cost of each racket will be 3X. Cost of 10 balls = 10X, and cost of 10 rackets = 30X. So total cost = 10X + 30X = 40X. By the condition given in question, we have 40X = 1300 + 1500 or 40X = 2800 or X = 70. Price of each racket = Rs. 210.
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