# Divisibility + addition - practice problems

#### Number of problems found: 9

- 5 digits

You have the following digits: 9, 8, 0, 1, 5. Write the smallest even five-digit number if one digit is repeated three times and the other digits are not repeated. The digit sum of the number is: a) 9 b) 6 c) 8 d) 23 - What is 16

What is the sum of three consecutive even integers such that six more than twice the second is 2/3 of the first increased by 3/2 of the third? - Calculate

Calculate the sum of all three-digit natural numbers divisible by five. - Sum of odd numbers

Find the sum of all odd integers from 13 to 781. - Multiples

What is the sum of the multiples of number 7 that are greater than 30 but less than 56? - Z9–I–4 MO 2017

Numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 were prepared for a train journey with three wagons. They wanted to sit out so that three numbers were seated in each carriage and the largest of each of the three was equal to the sum of the remaining two. The conduct - Daughters

The man conducting the census asks a woman to age of three daughters. Woman says when multiply the age getnumber 72; if their ages add up, get a number of our house, as you see. The man says: That is not enough to calculate their ages. She says: my oldest - Divisibility

Determine the smallest integer which divided 11 gives remainder 4 when divided 15 gives remainder 10 and when divided by 19 gives remainder 16. - Diophantus

We know little about this Greek mathematician from Alexandria, except that he lived around 3rd century A. D. Thanks to an admirer of his, who described his life through an algebraic riddle, we know at least something about his life. Diophantus's youth las

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Divisibility - practice problems. Addition practice problems.