Divisibility - practice problems - page 2 of 21
Number of problems found: 419
- Two-seventeenths 82639
Mr. Dolphin and Mr. Shark were skilled fishermen. Once, they caught a total of 70 fish. Five-ninths of the fish Mr. Dolphin caught were trout. Two-seventeenths of the fish Mr. Shark caught were carp. How many fish did Mr. Dolphin catch? - Performance_ 82318
The dance troupe has 24 members. How many equal-sized groups of dancers can he divide into during a performance_ - Probability 81964
Calculate the probability of the event that you sit in seats 1 to 30 in the cinema at: a) seat marked with a prime number b) seat marked with an even number c) a seat marked with a number divisible by 3 or 4 - Multiple: 81896
Write the nearest smaller multiple: number 7 to number 23 number 5 to number 19 number 6 to number 23 number 10 to number 79 number 6 to number 41 number 3 to number 28
- Remainders 81569
If we divide numbers by a divisor of 15, we get several different remainders. Write the sum of all possible even remainders that we get this way. - Probability 81117
Martin forgot the 4-digit PIN, and he remembered the first three numbers. The fourth number is odd. What is the probability in % that he will be able to determine the PIN? He has only one attempt. - Determines 80517 Determines all two-digit numbers that have a greatest common divisor of 19 with the number 76
- Number 80500 Which number does not belong in the number series and why? 11. . . 13 . . . 15 . . . 17 . . . 19
- Following: 80476
In the number 123 456 789, omit the following: a) one digit to create the largest possible number divisible by 3 b) one digit to create the largest possible number divisible by 9
- Four-digit 80469 Find the two smallest and two largest four-digit numbers divisible by six.
- Divisible 80468 The numbers 100, 300, 700, 900, 1500, and 7000 are divisible by four. Why are numbers ending in 00 divisible by four?
- Symmetrical 80361
Complete the digits to create a symmetrical number divisible by 5 to the number 346. - Logically 80336 What logically does not belong among the others, and why? 22, 368, 400, 602, 699, 978, 12334
- Five-digit 80104 How many different five-digit numbers with different digits can be made from the digits 0, 2, 4, 6, 7, 8, and 9? How many of them are divisible by 4? How many of them are divisible by 10? How many of them are even?
- Divisible 79464 The teacher wrote a number less than 50,000 on the board. The first student said: This number is divisible by 2 The second student said: This number is divisible by 3 And so on, down to the last one who claimed it was divisible by 13. Two in a row lied. W
- Five-digit 78944 What is an even five-digit number whose digit sum is 44?
- Sum of AP members
Find the sum of all the numbers between 8 and 258 that are divisible by 5. - Three-step 78424 In the physical education lesson, students entered the two-step, three-step, four-step, six-step, and eight-step classes, but there was always one student left. How many students practiced if there were more than 40 and less than 50?
- Divisible by six Is 2,047,223 divisible by 6?
The following data show the number of kilometers joggers ran in a month 4;6;12;12;18;19;25;30;31;40;40;40;40;47;49;60 Find the median of the data.Do you have homework that you need help solving? Ask a question, and we will try to solve it. Solving math problems.
