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Raju purchases 10 pens for Rs 150 and Ma...

Raju purchases 10 pens for Rs 150 and Manish buys 7 pens for Rs 84. Can you say who got the pens cheaper?

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Raju
10 pens=150 Rs
1 pen=150/10=15 Rs
Manish
7 pens=84 Rs
1 pen=84/7=12 Rs
Manish got pens cheaper.
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