Percentage- Key Notes
Aptitude basics, practice questions, answers and explanations
Prepare for companies tests and interviews
Percentage= (Sum of quantities)/(Number
Percentage increase by x%=
Percentage decrease by x%=
Some common percentage conversions
1. A trader makes a profit equal to the
selling price of 75 articles when he sold 100 of the articles. What % profit
did he make in the transaction?
2. A merchant buys two articles for
Rs.600. He sells one of them at a profit of 22% and the other at a loss of 8%
and makes no profit or loss in the end. What is the selling price of the
article that he sold at a loss?
A) Rs. 404.80
B) Rs. 440
C) Rs. 536.80
D) Rs. 160
3.A trader professes to sell his goods
at a loss of 8% but weights 900 grams in place of a kg weight. Find his real
loss or gain percent.
A) 2% loss
B) 2.22% gain
C) 2% gain
D) None of these
4. Rajiv sold an article for Rs.56 which
cost him Rs.x. If he had gained x% on his outlay, what was his cost?
A) Rs. 40
B) Rs. 45
C) Rs. 36
5. A trader buys goods at a 19% Amount
on the label price. If he wants to make a profit of 20% after allowing a Amount
of 10%, by what % should his marked price be greater than the original label
D) None of these
6. If apples are bought at the rate of
30 for a rupee. How many apples must be sold for a rupee so as to gain 20%?
7. Two merchants sell, each an article
for Rs.1000. If Merchant A computes his profit on cost price, while Merchant B
computes his profit on selling price, they end up making profits of 25%
respectively. By how much is the profit made by Merchant B greater than that of
B) Rs. 50
8. A merchant marks his goods in such a
way that the profit on sale of 50 articles is equal to the selling price of 25
articles. What is his profit margin?
9. A merchant marks his goods up by 75%
above his cost price. What is the maximum % Amount that he can offer so that he
ends up selling at no profit or loss?
10. The price of a T.V. is increased 30%
before budget and in budget 20% is also increased. Then total increase in price
1.C; 2.A; 3.B; 4.A; 5.A; 6.B; 7.B; 7.B;
8.C; 9.D; 10.B