# Numbers - math word problems

#### Number of problems found: 1462

• Exponential equation Solve exponential equation (in real numbers): 98x-2=9
• Im>0? Is -10i a positive number?
• Seven-segmet Lenka is amused that he punched a calculator (seven-segment display) numbers and used only digits 2 to 9. Some numbers have the property that their image in the axial or central symmetry was again give some number. Determine the maximum number of three-di
• Sum of the digits How many are two-digit natural numbers that have the sum of the digits 9?
• Twenty-five How many three-digit natural numbers are divisible by 25?
• The sum The sum of five consecutive odd numbers is 75. Find out the sum of the second and fourth of them.
• How many How many numbers are less than 222 with a digit sum is 8?
• Sum of seven The sum of seven consecutive odd natural numbers is 119. Determine the smallest of them.
• Roman numerals 2- Subtract up the number written in Roman numerals. Write the results as Roman numbers.
• Three-digit How many three-digit natural numbers is greater than 321 if no digit in number repeated?
• Fractions Sort fractions ? by its size. Result write as three serial numbers 1,2,3.
• Whole numbers Pavol wrote down a number that is both rational and a whole number. What is one possible number she could have written down?
• Three-digit integers How many three-digit natural numbers exist that do not contain zero and are divisible by five?
• Lcm 2 Create the smallest possible number that is divisible by numbers 5,8,9,4,3
• Unknown number If I reduced the sum of the numbers 70 and the unknown number three times, I would get 100. what is the unknown number?
• Simple sequence Continue with this series of numbers: 1792,448, 112, _, _
• Count of roots How many solutions has equation x. y = 7757 with two unknowns on the set of natural numbers?
• Remainder What is the remainder of the division of natural numbers 293 and 7?
• Divisible by nine How many three-digit natural numbers in total are divisible without a remainder by the number 9?
• 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?

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...