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प्रश्न
Find the single discount (as a percent) equivalent to successive discounts of:
60% and 60%
उत्तर
Successive discounts = 60% and 60%
Let M.P. = ₹100
Then S.P. after two discounts,
`=₹(100(100-60)xx(100-60))/(100xx100)`
`=(100xx40xx40)/(100xx100)=₹16`
∴ Total discount = ₹100 − 16 = ₹84
∴ Single discount = 84%
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