Shortcut Rules to Solve Problems on Profit and loss - 3
Effective for IBPS PO - SBI PO Exam
Dear Reader,
Here we will start a series of Quantitative Aptitude Shortcut Tricks for your upcoming SBI - IBPS - SSC and Other Government Competitive Exams. We will try to cover up all topics of the quantitative Aptitude Sections from which question was generally asked.
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Trick - 1
- If a man purchases 'x' items for Rs. 'y' and sells 'y' items Rs. 'x' then the profit or loss[depending upon the respective(+ve) or(-ve) sign in the final result] made by him is
$\frac{{{x}^{2}}-{{y}^{2}}}{{{y}^{2}}}\times
100$
Trick - 2
- If a merchant, by selling N articles ,loses the selling price of n articles, then the loss percent is
$\left[ \frac{n}{N+n}\times 100 \right]percent$
Trick - 3- If a merchant, by selling his goods, has a gain of x% of the selling price, then his real gain percent on the cost price is
$\left[ \frac{x}{100-x}\times 100 \right]percent$
Trick - 4- A person marks his goods x% above the cost price but allows y% discount for cash payment .If he sells the article for Rs. X, then the cost price is
X$\left( \frac{100}{100+x} \right)\left( \frac{100}{100-y}
\right)$
Trick - 5- By selling a certain item at the rate of ‘ X’ items a rupee, a man loses x%. If he wants to gain y%, then the number of items should be sold for a rupee is
$\left[ \left( \frac{100-x}{100+y}
\right)X \right]$
Trick - 6- A dealer buys an item at x% discount on its original price. If he sells it at a y% increase on the original price , then the percent profit he gets is
$\left( \frac{y+x}{100-x} \right)\times 100$
Questions for Practice
Q1. If a man purchases 11 oranges for Rs.10 and sells 10 oranges for Rs.11. How much profit or loss does he makes ?
Q2. By
selling 66 metres of cloth, I lose the selling price of 22 metres. Find the
loss percent.
Q3. . If
a merchant estimates his profit as 20%
of the selling price, what is his real profit percent?
Q4. Satish marks his goods 25% above the cost price but allows 12.5%
discount for cash payment . If he sells the article for Rs. 875, find his cost price.
Q5. By selling oranges at
32 a rupee, a man loses 40%. How many for a rupee should he sell in order to
gain 20%?
Q6. A dealer bought a
horse at 20% discount on its original price.He sold in at 40% increase on the
original price. What percentage profit did he get.
Answers
Answer 1. 21%
Answer 2. 25%
Answer 3. 25%
Answer 4. Rs.800
Answer 5. 16
Answer 6. 75%
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