Reason - high school - practice problems
Number of problems found: 601
- Big factorial
How many zeros end number 116! ? - Variable
Find variable P: PP plus P x P plus P = 160 - Hockey
The hockey match ended 7:4. How many different matches could be? - Derivative 4041
Is there a continuous function that has no derivative at every point? - Permutations 82516
From how many elements can we make 5040 permutations without repetition? - Lottery
The lottery is 60000 elk, in which 6200 wins. What is the probability that the purchase of 12 elks won nothing? - Inequality 12021
Solve on Z - inequality with absolute value: | x-18 | +4> 1 - Five couples
In how many ways can 5 couples arrange themselves in a row if they stay together? - Probability 7628
The probability that six will fall in just three rolls is once? - Dice
We throw five times the dice. What is the probability that six fits precisely twice? - Determine 3810
Determine the ratio of the first and second GP members if q = -0.3 and a3 = 5.4. - Designated 64234
Marenka is required to read three books out of five designated books. How many ways can three books choose to be read? - Triangle 8320
Is there a triangle with heights of 4, 7, and 10 meters? - Fruits
The shop sells four kinds of fruits. How many ways can we buy three pieces of fruit? - Conditional 73664
I roll a 7-wall dice. What is the conditional probability that three fell if an odd number fell? - Probability 73054
We roll six dice. What is the probability that: a) a six falls twice b) six falls four times - Variations 3rd class
From how many elements can we create 13,800 variations of the 3rd class without repeating? - Divisors
The sum of all divisors unknown odd number is 2112. Determine the sum of all divisors of a number that is twice unknown numbers. - Chocolates
In the market, we have 3 kinds of chocolates. How many ways can we buy 8 chocolates? - Secret number
Find the secret number n, which reversed decreases by 16.4 if the number increases by 16.4.
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