Multiplication + mean - practice problems
Number of problems found: 15
- Student examination
How many ways can a teacher select a group of 6 students to sit in the front row if the class has 13 students? - A fair 2
A fair die is thrown two times. What is the probability that the sum of the score is almost 8? - Spacing 82540
There are 10 trees in a row with the same spacing x = =3 meters. How many meters does a person travel if he waters two trees at once - Double 23
Double 1.25, then subtract 0.75. What do you get? - Arithmetic 62644
The sum of the two numbers is 18, and their difference is 10. What are the numbers? Calculate the arithmetic mean of the product and the proportion of these numbers. - Probability 47373
We were tasked with throwing the dice until we hit the "six." a) Find the average number of throws we will have to make to complete the task. b) How many times do we have to roll the dice so that the probability of falling at least one "six" is at least 9 - Equivalent fractions 2
Write the equivalent multiplication expression. 2 1/6÷3/4 - In center
What number lies in the center between a quarter of a fifth and a half of a third on the number axis? - Certificate 4615
Maroš received hockey cards as a reward after his certificate. The number of cards he received is twice the sum of the marks on his report card. Maroš has 8 subjects, and his average grade on his report card was 1.75. How many hockey cards did Maroš get? - Rounded 4526
Alfonz grew 150 melons with an average weight of 2.35 kg. He managed to sell them for € 1.50 per kg. How much did he earn? The result is rounded to the euro. - Drinking water
A man drinks a keg of water in 36 days, and a woman drinks in 65 days. How many days do they consume a keg together? - Water
Mix 67 l of water with a temperature of 67 °C, 17 l warm of 32 °C, and 79 l water of 87 °C. What is the temperature of the mixed water immediately after mixing? - Daily average
Calculate the average temperature during the day, when 14 hours were 24 °C and 10 hours was 14 °C. - Average
The average of 5 numbers is 108. What is its sum? - Railways - golden parachutes
As often happens in Slovakia habit, the state's financial institution takes from poverty, and gorillas give. A hardworking punishing taxes. Let's look at a short work of director Railway Company ZSSK - Mgr. P. K. : 18 months 'work' as director reduction a
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