Explanation
M.P =800 Rs (given) First Dis.=10% S.P. after first dis.=800−(800×10100)=720 Rs Second Dis.=5% S.P. after second Dis.= 720−(720×5100)=684 Rs Third Dis.=3% S.P. after third Dis.= 684−(684×3100)=663.48 Rs S.P. is Rs 663.48
C.P. = Rs. 840
Gain =10%
S.P. =100+gain percentage100× C.P
S.P. =100+10100×840
⇒110100×840= Rs. 924
Selling price of the shopkeeper is the cost price of the new buyer.
Then C.P. = Rs. 924
Loss =5%
S.P. =100−loss percentage100× C.P.
S.P =100−5100×924
⇒95100×924= Rs. 877.80
Hence, final S.P.=Rs. 877.80
Let the printed price of item be Rs. 100.
After discount of 10% SP = Rs. 90 profit earned =15% C.P of item =100115×90=180023 Hence, CP : Printed Price =180023:100=18:23
Let the C.P. of the article be Rs. x.
Then, S.P. = Rs. x×(100−20)100
⇒480=x×80100
⇒x=480×10080 ⇒x= Rs. 600 ∴ S.P. at 20% profit = Rs. 600×(100+20)100 =600×120100= Rs. 720
Given, M.P. = Rs. 17940, Discount =8%
S.P. = M.P. − Discount
S.P =17940−8% of M.P.
⇒17940−8100×17940
⇒17940−1435.20= Rs. 16504.80
Let the C.P. of the article = Rs. 100. Then, M.P. of the article= Rs. 100+ Rs. 20= Rs. 120 Rate of Discount =5% ∴ Discount offered =5% of M.P. =5100× Rs. 120= Rs. 6 ∴ S.P. = M.P. − Discount = Rs. 120− Rs. 6= Rs. 114
Profit= S.P. − CP. = Rs. 114− Rs. 100= Rs. 14 Profit %= 14100×100= 14%
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