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Question
Rs. 750 support a family for 15 days. For how many days will Rs. 2,500 support the same family?
Solution
Rs. 750, can support a family for = 15 days
Rs. 1 will support for = `15/750` days
and Rs. 2,500 will support for = `15/750 xx 2500 "days"` = 50 days
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