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प्रश्न
Find the discount percentage in the folllowing :
M.P. = Rs.6840, S.P. = Rs.5814
उत्तर
M.P. = Rs.6840, S.P. = Rs.5814
`"S.P."/"M.P." = 1 - "discount"/(100)`
⇒ `(5814)/(6840) = 1 - "D"/(100)`
⇒ `"D"/(100) = 1 - (5814)/(6840)`
⇒ D = `(1026)/(6840) xx 100`
= 15
∴ Discount = 15%.
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