Percentages practice problems - page 2 of 112
Number of problems found: 2224
- 128 USD
$128 is increased by 20%. Determine the new amount. - Doubling - simple interest A sum of money doubles in 10 years at simple interest. Find the annual interest rate.
- Triple the sum
At what annual simple interest rate does a sum triple in 5 years? - Somebody Somebody spends 5% of his wages on school fees. That amounts to 800 shillings. How much does he earn?
- By selling 2
By selling 100 pens, a shopkeeper gains the selling price of 20 pens. Find his gain percentage. - Percents and ratio
When 20% of one number is added to a second number, the second number increases by 50%. What is the ratio of the two numbers? - Inverse percentages
If a is 40% of b, what percentage of a is b? - Dual profit
A merchant has 1,000 kg of sugar, part of which he sells at an 8% profit and the rest at an 18% profit. He gains 14% on the whole. Find the quantity sold at an 8% profit. - An article 2
An article is bought for $124. What should the marked selling price be so that there is a profit of 10% even after allowing a discount of 12%? - Dilution
How many litres of water will have to be added to 1,125 litres of a 45% acid solution so that the resulting mixture contains more than 25% but less than 30% acid? - Price of rice
The price of rice is reduced by 5%. How many kilograms of rice can now be bought for the money that was sufficient to buy 50 kg of rice before the reduction? - Lightbulbs
The physical plant at the main campus of a large state university receives daily requests to replace fluorescent light bulbs. The distribution of the number of daily requests is bell-shaped and has a mean of 48 and a standard deviation of 10. Using the em - Bananas 5
A fruit vendor was able to sell 85% of his 80 kilograms of bananas. How many kilograms of bananas were sold? - Two trains 16
Two trains cross each other in 14 seconds when moving in opposite directions, and in 3 minutes and 2 seconds when moving in the same direction. By what percentage is the speed of the faster train greater than that of the slower train? - Failed in examination
In an examination, 20% of the total students failed in history, 15% failed in English, and 5% of the total number of students failed in both subjects. Find the percentage of the total number of students who passed in both subjects. - A man 23
A man has some money. He gives 50% of it to his wife and 40% of the remainder to his daughter. He gives the rest to his son. If the son receives €12,000, how much did his wife receive? - A furniture
A furniture dealer bought a dining set for $12,000. At what price should the dealer sell this set, offering a 5% discount while still making a 10% profit? - Michael 9
Michael purchased an old scooter for ₹12,000 and spent ₹2,840 on its overhaul. He then sold it to his friend for ₹13,860. What was his percentage gain or loss? - Cash discount
The marked price of a mobile phone is ₹6,000. The shopkeeper offers a 5% discount for cash payment. If the VAT rate is 8%, find the amount the customer has to pay in cash. - By selling
By selling an article for $21, a trader loses a percentage equal to the cost price of the article. Find the cost price.
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