Multiplication principle + divisibility - practice problems

Number of problems found: 15

Even five-digit
How many even five-digit natural numbers with different digits can be created from the digits 0 - 6?
Three-digit numbers
How many are all three-digit numbers that are made up of digits 0,2,5,7 and are divisible by 9 if the digits can be repeated?
We roll
We roll two dice A. - what is the probability that the sum of the falling numbers is at most 4 B. - is at least 10 C. - is divisible by 5?
How many 4
How many four-digit numbers that are divisible by ten can be created from the numbers 3, 5, 7, 8, 9, 0 such no digits repeats?
Twenty-five
How many are three-digit natural numbers divisible by 25?
Digits
How many odd four-digit numbers can we create from digits: 0, 3, 5, 6, 7? (a) the figures may be repeated (b) the digits may not be repeated
Three-digit integers
How many three-digit natural numbers exist that do not contain zero and are divisible by five?
Inverted nine
In the hotel Inverted Nine, each hotel room number is divisible by 6. How many rooms can we count with the three-digit number registered by digits 1,8,7,4,9?
Divisible by five
How many different three-digit numbers divisible by five can we create from the digits 2, 4, 5? We can repeat the digits in the created number.
Permutations
How many 4-digit numbers can be composed of numbers 1,2,3,4,5,6,7 if: and the digits must not be repeated in the number b, the number should be divisible by five, and the numbers must not be repeated c, digits can be repeated
Three digits number
From the numbers 1, 2, 3, 4, 5 create three-digit numbers that digits not repeat and number is divisible by 2. How many numbers are there?
Combinations
How many different combinations of two-digit number divisible by 4 arises from the digits 3, 5 and 7?
Stacks
Annie has a total of $ 702. The money must be divided into stacks so that each buyer has the same amount of dollars. How many options she has?
No. of divisors
How many different divisors have number 13⁴ * 2⁴?
Rectangles
How many rectangles with area 8713 cm² whose sides are natural numbers are?

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Multiplication principle - practice problems. Divisibility - practice problems.