Percentages - high school - practice problems - page 2 of 30
Number of problems found: 590
- Created trio
What is the probability that in the created trio, which consists of 19 boys and 12 girls, they will be: a) the boys themselves b) the girls themselves c) 2 boys and one girl? - Sixty
Sixty percent of one-fifteen of the total is equal to thirty. What are two percent of the total? - travel agency
A small travel agency offers five different tours on honeymoon. What is the probability that the bride and groom choose the same tour (they choose independently)? - Simple interest 3
Find the simple interest if 11928 USD at 2% for 10 weeks. - Percentage 4619
Concert tickets have risen in price from € 18 to € 24. What percentage did they increase in price? - Family
Ninety-four boys are born per 100 girls. Determine the probability that there are two boys in a randomly selected family with three children. - Two aces
From a 32-card box, we randomly pick 1 card and then two more cards. What is the probability that the last two drawn cards are aces? - Big number
Dagmar typed numbers on the computer (without spaces) 45678910111213141516... Which number did she write in the third place? - Sum 10
What is the probability that two dice thrown twice in a row will result in the sum of 10? - Car value
The car loses value by 15% every year. Determine a time (in years) when its price will halve. - Green - Red
We have 5 bags. Each consists of one green and 2 red balls. From each, we pull just one ball. What is the probability that we don't pull any green ball? - Pipeline
How much percent has changed (reduced) the pipe cross-section area if the circular shape changed to square with the same perimeter? - Questions 81676
You will learn 50% of the 30 questions. If I get 4 questions, I'll know 3. - Non-conforming 19863
The probability that a quality product will meet all technical requirements is 0.95. What is the probability that all three randomly produced products will be: a) conforming, b) non-conforming - Determine 3769
12% of x is 58 more than (6²) +5. Determine x. - Sales
From statistics of sales goods, item A buys 51% of people, and item B buys 59% of people. What is the probability that from 10 people buy 2 item A and 8 item B? - A population
A population of fish starts at 8,000 and decreases by 6% per year. Use an exponential function to find the population of fish in 10 years. - A piece 11
A piece of wood is 220cm long. If 66cm is cut away from the wood, what percentage remains? - Participants
Of the 48 participants, six women are fewer than men and 24 children less than all adults. Calculate what percentage of all participants on tour are children. - Percentage increase
What is the annual percentage increase in the city when the population has tripled in 20 years?
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