Reason - math problems
Number of problems found: 953
- Big factorial
How many zeros end number 116! ?
What is better for people (employees)? ?
Find variable P: PP plus P x P plus P = 160
The hockey match ended 8:2. How many different matches could be?
We throw five times the dice. What is the probability that six fits exactly twice?
Television is the fifth most expensive and tenth cheapest TV. How many different TVs are in stores?
- The lift
The lift can fit 4 people. How many uphill rides must the lift make to move up 12 passengers?
Seven friends agree to send everyone a holiday card. How many postcards were sent?
From the colors - red, blue, green, black, and white, create all possible tricolors.
- Two-element combinations
Write all two-element combinations from elements a, b, c, d.
- Year 2018
The product of the three positive numbers is 2018. What are the numbers?
The lottery is 60000 elk in which 6200 wins. What is the probability that the purchase of 12 elks won nothing?
- Six on dice
What is the probability that when throwing two dice will fall at least one six?
- Word MATEMATIKA
How many words can be created from the phrase MATEMATIKA by changing the letters' order, regardless of whether the words are meaningful?
How probable is a randomly selected three-digit number divisible by five or seven?
To number pages of the thick book was used 4201 digits. How many pages has this book?
In the shop sell 4 kinds of fruits. How many ways can we buy three pieces of fruit?
In the flower shop they sell roses, tulips and daffodils. How many different bouquets of 5 flowers can we made?
- Compound interest
Calculate time when deposit in the bank with interest 2.5% p.a. doubles.
How many times you can subtract the number 4 from the number 64?