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Question
Find the discount percentage in the following :
M.P. = Rs.1500, S.P. = Rs.1320
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Solution
M.P. = Rs.1500, S.P. = Rs.1320
`"S.P."/"M.P." = 1 - "discount"/(100)`
⇒ `(1320)/(1500) = 1 - "D"/(100)`
⇒ `"D"/(100) = 1 - (1320)/(1500)`
⇒ D = `(180)/(1500) xx 100`
= 12
∴ Discount = 12%.
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