# Reason + divisibility - math problems

#### Number of problems found: 98

• Divisibility Write all the integers x divisible by seven and eight at the same time for which the following applies: 100
• Divisibility by 12 Replace the letters A and B by digits so that the resulting number x is divisible by twelve /find all options/. x = 2A3B How many are the overall solutions?
• Year 2018 The product of the three positive numbers is 2018. What are the numbers?
• Probability How probable is a randomly selected three-digit number divisible by five or seven?
• Have solution The sum of four consecutive even numbers is 92. Determine these numbers.
• Digit sum How many are three-digit numbers that have a digit sum of 6?
• 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?
• How many How many numbers are less than 222 with a digit sum is 8?
• Number What number should be placed instead of the asterisk in number 702*8 to get a number divisible by 6?
• Hens and pigs Hens and pigs have 46 feet in total. At least how much can heads have?
• Big number hat is the remainder when dividing number 10 to 47 - 111 by number 9?
• Four-digit number Find also a four-digit number, which quadrupled written backwards is the same number.
• Divisible by nine How many three-digit natural numbers in total are divisible without a remainder by the number 9?
• MO C–I–1 2018 An unknown number is divisible by just four numbers from the set {6, 15, 20, 21, 70}. Determine which ones.
• Odd numbers The sum of four consecutive odd numbers is 1048. Find those numbers ...
• 7 digit number If 3c54d10 is divisible by 330, what is the sum of c and d?
• Children Less than 20 children is played various games on the yard. They can create a pairs, triso and quartets. How many children were in the yard when Annie came to them?
• Twos Vojta started writing the number of this year 2019202020192020 into the workbook. .. And so he kept going. When he wrote 2020 digits, no longer enjoyed it. How many twos did he write?
• Six-digit primes Find all six-digit prime numbers that contain each one of digits 1,2,4,5,7 and 8 just once. How many are they?

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