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Question
Rohit buys 10 pens for ₹ 150 and Manoj buys 14 pens for ₹ 168. Who got the pens cheaper?
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Solution
Rohit buys 10 pens = ₹ 150
Cost of one pen = `150/10` = ₹ 15
Manoj buys 14 pens = ₹ 168
Cost of one pen = `168/14` = ₹ 12
Manoj buys cheaper pen
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