If 12 boys earns ₹840 in 7 days, what will 15 days earn in 6 days. ​

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1. ᕚ( คภรฬєг )ᕘ

   12 boys 7 days = Rs 840

   1 boy 7 days = 840/12=70/-

   1 boy 1 day=70/7=10/-

   15 boys 1 days=10*15=150/-

   15 boys 6 days=150*6

   = 900/-

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