⇒ Cost price (C.P.):-The price at which an article is purchased, is called its cost price.
⇒ Selling price (S. P) :- The price at which an article is sold, is called its selling price.
⇒ Profit or Gain :- If S.P. > C.P. then the seller is said to have a Profit or Gain.
⇒ Loss :- If S.P. < C.P., then the seller is said to have incurred a loss.
⇒ Profit :- S.P. – C.P.
⇒ Loss :- C.P. – S.P.
⇒ If an article is continuously sold with a profit or loss (r%), then
then final price paid by
⇒ When a a person sells two similar items, one at a gain of say, x% and the other at a loss of x%, then the seller always incurs a loss given by :-
Loss % =
⇒ If a trader professes to sell his goods at cost price, but uses false weights, then
Gain % =
⇒ If r1 % profit → at the time of purchased
r2 % profit → at the time of selling
% profit = r1 + r2 +
⇒ When the selling price of the two articles are equal, then
CP1 : CP2 = (100 ± r2) : (100 ± r1)
⇒ If 'a' articles are bought for Rs. 6 and 'c' articles are sold for Rs. d, then
a) % Profit =
⇒ If a articles are bought for Rs. 'b' and b articles are sold for Rs. 'a', then
% Profit =
⇒ Marked price = (M.P.)
⇒ Selling price = (S.P.)
⇒ Discount = Marked price – selling price
⇒ % Discount = × 100
⇒ When discount given two times, then
Unique discount = D1 + D2 –
⇒ If we sold an article at D% discount, then profit or loss is r%, then
⇒ When an article sold out at without any discount, then
% profit or loss =
⇒ If discount is given in the form of 'x' articles are given free then
% Discount =