# Reason - practice problems

#### Number of problems found: 1945

- 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? - Three-digit 66854

How many three-digit numbers with a digit sum of 9, in which no digit can repeat? - Consecutive 7556

The sum of three consecutive integers equals three times the middle number. Specify these numbers. - Derivative 4041

Is there a continuous function that has no derivative at every point? - Inflation

What is better for people (employees)? ... - Two-element combinations

Write all two-element combinations from elements a, b, c, and d. - Large family

I have as many brothers as sisters, and each of my brothers has twice as many sisters as brothers. How many children do parents have? - Unknown number 23

Find 2/3 of the unknown number, which is two-thirds of the 99. - Subtraction

How many times can you subtract the number 4 from the number 64? - Permutations 82516

From how many elements can we make 5040 permutations without repetition? - Average 66794

Look for three numbers with an average of 2000. The middle number is 2000 - Numbers 22811

How many digits are in the numbers 1 to 100? - Identical 20963

In which triangles is the line identical with the height? - Questions 6898

Write a word problem with three questions for numbers 2 and 6. - How many

How many double-digit numbers divided by nine give the rest of the seven? - Four-digit number

For a four-digit number abcd, ab: bc = 1:3 and bc: cd = 2:1 (ab, bc and cd are two-digit numbers from digits a, b, c, d). Find this number(s). - Sum of the digits

How many are two-digit natural numbers that have the sum of the digit 9? - Year 2018

The product of the three positive numbers is 2018. What are the numbers?

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