Percentages practice problems - last page
Number of problems found: 2275
- Percentages and numbers
By what percentage is the number 69 smaller the number 276? - Percent calculation
Calculate 12% if 41% is 74. - Car inflation
What percentage of car price increases if the price rises from €4790 to €4890? - Acid
A barrel contains 79 litres of 60% acid. What percentage of acid remains when 4 litres are removed and replaced with the same amount of water? - Election mathematics
In elections, 8 political parties received the following shares of votes: strana A ; 56 % strana B ; 11.9 % strana C ; 11.7 % strana D ; 8.8 % strana E ; 6.3 % strana F ; 5.1 % strana G ; 0.2 % Calculate what share each party would obtain in parliament if - Dice
How many times must you throw the dice, and was the probability of throwing at least one pětky greater than 70%? - When will I be a millionaire?
Peter sends 220 euros to the bank each month, which bears interest at 2.9% p.a. Calculate how many months Peter must save to accumulate 33000 euros. Ignore inflation, changes in interest rates, and bank failures. - Temperature calculus
Calculate the percentage of temperature stúpla if changed from 3°C to 7°C. - Required reserves
Calculate the minimum amount of money the bank must hold in cash from your deposit 2750 Eur. How much money is ideally created in the banking system from your deposit if the level of minimum reserve requirement is 2.15%? Consider fractional reserve system - Family
What is the probability that a family with 3 children has: exactly 1 girl? 2 girls and 1 boys? Consider the birth probability of a girl as 48.66% and a boy as 51.34%. - Engineer bug
Comical errors, disputes and plots arise when converting physical units. The core of today's dispute was the price of natural gas. The unit was changed - from the natural unit of cubic meter of gas to the unit kWh. The goal was to be able to compare the p - Volatile percents
Peter is working as a forex trader. He suffered a loss of 60.1 percent. Calculate what percentage you must now earn to lift from loss. - Profitable bank deposit 2012
Calculate the real value lost by depositing €11200 in a bank for 4 years at an interest rate of 2% p.a., with a 19% tax on interest and an annual inflation rate of 3.7%. (Calculate what you lose by leaving money in a bank account at a negative real intere - The game of blind man's buff
The Slovak levy system deducts contributions from the gross wages of employees. It has two components — the part paid by the employee and the part paid by the employer. Suppose that the employer's total labour cost (super-gross wage) is 21% more than the - Greek railwayman
Lewis has worked for Slovak Railways since 2000. His salary is 950 €. His colleague Evgenias has worked for Greek State Railways since 1984 and earns 5700 € per month. Calculate: a) how many times more does Evgenias earn than Lewis? b) how many times more
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