Divisibility + natural numbers - practice problems
Number of problems found: 283
- LCM and HCF 2
If product of two numbers is 5780 and their HCF is 17, then what is their LCM is? - Remainder one
Find the least number, when divided by 2,3,4,5,6 and 7 leaves remainder 1 in each case. - Divisible by three
What least value must be assigned to the blank space so that the number 789563 is divisible by 3 - Relay teams
There are 159 students to be grouped into relay teams. Each team should have the same number of students. Can each team have 3,5 or 6 students? Explain.
- A number 8
A number K is such that when it is divided by 27, 30, or 45, the remainder is 3. Find the smallest possible value of K - Same remainder
Find the greatest number that will divide 43, 91, and 183 so as to leave the same the remainder in each case. - Unknown number 35
I am a number between 121 and 149. I can be divided by both 3 and 5. What number am I? - Composition 83241
You have to create as many identical candy boxes as possible from 280 orris, 252 nougat, and 420 marzipan candies. At the same time, you must not have any candy left or missing. What will be the composition of one box of chocolates, and how many candies w - Determine 82975
Determine the sum of all positive odd numbers less than 78
- Performance_ 82318
The dance troupe has 24 members. How many equal-sized groups of dancers can he divide into during a performance_ - 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. - 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
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Divisibility - practice problems. Natural numbers - practice problems.