Number of problems found: 670
The count of accidents in 1995 caused 8780 women which is 8.4%. How many men caused the accidents?
- Extreme temperatures
USA hit extreme heat wave. Calculate percentage of the air temperature change from normal summer temperature 23 °C to 40 °C.
Janko and Peter divided the reward from the brigade so that Peter got 5/8 of the reward. What percentage of Janko's reward got?
- Apples 2
James has 13 apples. He has 30 percent more apples than Sam. How many apples has Sam?
After increasing the number of employees by 15% company has 253 employees. How many employees take?
- Cone and cube
About what percentage hase cone with base radius r larger volume than same high cube with square base with edge length r?
Sixty percent of one-fifteen of the total is equal to thirty. What are two percent of the total?
Peter and Franta threw to the basket. Each had 20 attempts. Peter scored thirteen and twelve Franta. Give them success in percentage.
1180 crowns is divided into three people that A got 20% less than B and C by 15% more than B. How many got A,B and C?
- Six percents
6% of the base is 21. How much is 28% of this base?
- Reducing number
Reducing the an unknown number by 28.5% we get number 243.1. Determine unknown number.
The dress was discounted by CZK 115, which was 12% of the original price. What is the cost of the dress after the discount?
If you deposit 719 euros the beginning of each year, how much money we have at 1.3% (compound) interest after 9 years?
A bookstore purchased from a publisher the biography of a well-known politician for R15 per copy, but sales have been very poor. The manager has decided to mark the copies down to R12 each to make a quick sale. Calculate the loss on each book as a percent
- Comparing salaries
Spouses compared salaries. Mrs. Janka found that a 20% higher salary than Mr Jaroslav. Together earned € 1,430. How much they earn each of them?
- Interst on savings
The bank offers 1.6% interest. How many euros have to insert at the beginning if we received € 15 on the interest?
- Art school
Every fifth pupil 9A goes to art school. How many percent of pupils in class 9A go to art school?
- Highway repair
The highway repair was planned for 15 days. However, it was reduced by 30%. How many days did the repair of the highway last?
- Water percent
A 15 g sample of the substance contains 70% water. After drying, the weight was reduced to 9 g. What percentage of water is now in the sample?
Share of ethnicity XY is 26%, which is 1/9 more than in the prewar period. What was the share of that ethnicity in the pre-war period?
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