PROFIT & LOSS BY: MAYANK AGNIHOTRI

OIMPORTANT FACTS AND FORMULAE COST PRICE (CP) : The price at which an article is purchased, is called its cost price. SELLING PRICE (SP) : The price at which an article is sold, is called its selling price. PROFIT/Gain : If S. P is greater than CP, the seller is said to have profit/gain. LOSS: If S.P is less than C.P, the seller is said to have incurred a loss. Gain= SP-CP LOSS = CP-SP Gain % = (Gain x100 ) Loss % = (Loss x100 ) , (100+Gain%) CP (100-loss %) 100 SP= SP= x CP 100 (100+Gain %) CP- 100 CP- 100x SP (100-Loss%) SP

QUESTIONS Ques 1. Alfred buys an old scooter for Rs. 4700 and spends Rs. 800 on its repairs. If he sells the scooter for Rs. 5800, What is his gain percent? Sol. Cost Price (CA) Rs. (4700 + 800) = Rs. 5500. Selling Price (SP) = Rs. 5800. Gains (SP)-(CR) = Rs.(5800-5500) = Rs.300. 300x100)-300-5.45% Ans Gain % = ( Ques 2, Cost price of 20 articles is equal to selling price of x articles. If the profit is 25%, then find the value of x. Sol. Let the cost price of each article be Rs 1 Then, the CP of 20 articles = Rs 20 and , the CP of x articles = x Rs SP of x articles-CP of 20 articles = Rs 20 (20-x) 100 gain 20-x .. Gain %- = 25 5x = 80 x = 16 Ans

Ravi purchased two articles for 1500 Rs each. He sold them, gaining 6% on one and loosing 4% on other. Find his gain/ loss % in whole transaction. Ques 3, 100+ Sol. SP for 1 x 1500 1590 Rs SP for 2nd article 1500 1440 Rs Total CP 1500 +1500 3000 Rs & Total SP 15901440 3030 Rs 30x100 1% Ans Total Gain-3030-3000-30 Rs Total Gain % 3000 Ques 4, A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%? Sol. C.P. of 6 toffees Re. 1 SP of 6 toffees = (100420) S.P. of 6 toffees (x 1 Rs. 100 For Rs-, toffees sold 6 For Re. 1, toffees s ,'" old =- 6 = 5 Ans

Ques 5, A shopkeeper expects a gain of 22.5% on his cost price. If in a week, his sale was of Rs.392, what was his profit? Sol. S 392 Rs Gain % 22.5% 100 -) 100+22.5) x39212x 392 320 Rs % 100+22.5 X 392100 122.5 Profit 392 320 72 Rs Ans Ques 6. On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. Find the cost price of one ball Sol. (C.P. of 17 balls) (S.P. of 17 balls) (C.P. of 5 balls) C.P. of 12 balls S.P. of 17 balls Rs.720. 720 . CP of 1 ball60 Rs Ans 12

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Mayank Agnihotri

B.Tech (ECE), Machine enthusiast, Inspired by an old hindi saying " Gyan baatne se badhta ha"

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Aadesh meena

a year ago

In question 14, Xa conv. is 20% . and Ca = Cao. how is this possible.?

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Ajay Partap Singh

a year ago

please read question carefully because it is clearly mention in question.

Bharat Gogoi

6 months ago

as stated in the question already the concentration of A is found to be same throughout 20% of its conversion so Ca =Cao