Maths practice for 14 year olds - page 94 of 369

Number of problems found: 7362

Numbers 65734
There are 100 tickets in a pocket with the numbers 1 to 100. What is the probability that we will randomly draw a ticket with a number starting with the number 5?
Biggest 65704
The four boys shared the prize of 680 € in a ratio of 2:4:1:3. How many euros did the boy whose share in the prize was the biggest get?
Displayed 65694
Calculate the scale of the map, at which the actual distance of 12.6 km will be on the map as a distance of 2.52 cm.
Annual interest
If, after a year, at an annual interest rate of 3.8%, Mr. Slovak had 2,076 euros in his account, how many euros did he deposit in the bank?
Circumference 65674
The circumference of the triangle is 125 cm. The shortest side is 12 cm shorter than the longest side. The longest side is 7 cm longer than the middle side. How long is the middle side?
Trapezoid 65644
In an isosceles trapezoid, the base ratio a / c = 9/7, arm b = 10 cm, height v = 8 cm. Calculate the area of the trapezoid in cm².
Probability 65634
There are seven red balls and 13 blue balls in the pocket. How many blue balls do we need to add to the pocket so that the probability of removing the red ball is 0.2?
Three-digit 65624
Pablo has five cards with numbers 0, 1, 6, 7, and 9. How many odd three-digit numbers can he form?
All multiples
Set A is a set of all multiples of 2, and set B is a set of all multiples of 3. If the P (A)=0.6 and P (B)=0.3. Find P (AUB).
Agricultural 65594
Six identical harvesters were supposed to work on the harvest for 12 days in the agricultural cooperative. After three days, however, two harvesters left for another team. Find how long the harvest time in the farm cooperative has increased.
Deposit withdrawal
Paul deposited 1,750 euros in the bank at an interest rate of 2.60 percent. He wants to withdraw the money after 9 months. A) How much would he earn in interest? (withdrawal is free of charge.) B) How much will he receive if the interest is taxed at 19%?
One half of one percent
One-half of 1% converted to a decimal is?
Possibility 65535
The bank offers a term account with the possibility of early withdrawal with an interest rate of 1.85 percent pa. Milan put 2,500 euros on it on January 2. If he withdraws the money after eight months, how many euros will he get?
Deposited 65534
Danka and Janka deposited their money in the bank in an account with an interest rate of 2.9 percent pa. How many euros did Janka invest if she earned 4.64 euros in interest and Danka 29 cents less?
Slovakia's 65524
Slovakia's VAT rate is reduced to 10% on some goods (e.g., books, textbooks, and medicines). Normal VAT is 20%. How much would we pay for a book that cost 69.00 euros if we didn't have to pay VAT?
Processing 65514
The Nováková family took a loan (loan) of 120,000 euros from the bank. What was the amount of the fee for processing, setting up, and providing the loan if, according to the bank's fee schedule, it is 0.80% of the loan volume, but at least 250 euros and a
Interest 65494
Martina invested 1,300 euros in the bank, and after a year, the bank credited her with an interest of 26.65 euros. What was this bank's annual interest rate?
Efficiently 65484
In the first workshop, there are 3 workers; in the second workshop, 2 work equally efficiently. They worked on the order together, and for the last 2 days, only workers from the first workshop. If only the first workshop were working, the order would be c
Interest 65474
Uncle Vendelín paid 350 euros for a new washing machine, which he had to borrow 40 percent. He paid off the loan for one year - 15 euros per month. How much did he pay in interest? What was the interest rate on loan?
100-b+a-a/2 65424
The foreman earned a € on Monday, on Tuesday b € less than €100, on Wednesday half less than on Monday. How many euros did he earn in total? Determine the correct answer expressed in an expression with a variable: A. a + 100-b+a+a/2 B. a + 100+ b+a-a/2 C.

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