Step-by-step explanation:
let cp= rs 100
mp= rs 120 [20% above cp]
discount = 15%
ie= 15% of mp
=15/100×120= rs 18
=sp=mp= discount
(120-18) rs
=rs 102
gain%= gain/cp=100
= 2/100×100=2%
2% answer
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Step-by-step explanation:
let cp= rs 100
mp= rs 120 [20% above cp]
discount = 15%
ie= 15% of mp
=15/100×120= rs 18
=sp=mp= discount
(120-18) rs
=rs 102
gain%= gain/cp=100
= 2/100×100=2%
2% answer