# Multiplication + natural numbers - math problems

#### Number of problems found: 111

• Digits How many natural numbers greater than 4000 which are formed from the numbers 0,1,3,7,9 with the figures not repeated, B) How many will the number of natural numbers less than 4000 and the numbers can be repeated?
• Big numbers How many natural numbers less than 10 to the sixth can be written in numbers: a) 9.8.7 b) 9.8.0
• Three-digit How many do three-digit natural numbers not have the number 7?
• Count of roots How many solutions has equation x. y = 7757 with two unknowns on the set of natural numbers?
• Three-digit integers How many three-digit natural numbers exist that do not contain zero and are divisible by five?
• Dd 2-digit numbers Find all odd 2-digit natural numbers compiled from digits 1; 3; 4; 6; 8 if the digits are not repeated.
• Number 4 Kamila wrote all natural numbers from 1 to 400 inclusive. How many times did she write the number 4?
• Twenty-five How many are three-digit natural numbers divisible by 25?
• Three-digit How many three-digit natural numbers are greater than 321 if no digit in number repeated?
• Rectangles How many rectangles with area 8713 cm2 whose sides are natural numbers are?
• Theorem prove We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
• How many 4 How many 4 digit numbers that are divisible by 10 can be formed from the numbers 3, 5, 7, 8, 9, 0 such that no number repeats?
• Three-digit numbers Use the numbers 4,5,8,9 to write all three-digit numbers without repetition. How many such numbers are there?
• Telephone numbers How many 7-digit telephone numbers can we put together so that each number consists of different digits?
• How many How many double-digit numbers greater than 30 we can create from digits 0, 1, 2, 3, 4, 5? Numbers cannot be repeated in a two-digit number.
• Three-digit numbers We have digits 0,1,4,7 that cannot be repeated. How many three-digit numbers can we write from them? You can help by listing all the numbers.
• Digits How many five-digit numbers can be written from numbers 0.3,4, 5, 7 that is divided by 10 and if 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?
• A three-digit numbers Determine the total number of positive three-digit numbers that contain a digit 6.
• What is 14 What is the product of 0.97 and the next odd decimal number?

Do you have an interesting mathematical word problem that you can't solve it? Submit a math problem, and we can try to solve it.

We will send a solution to your e-mail address. Solved examples are also published here. Please enter the e-mail correctly and check whether you don't have a full mailbox.

Please do not submit problems from current active competitions such as Mathematical Olympiad, correspondence seminars etc...

Multiplication Problems. Natural numbers - math problems.