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Master the Rules of Divisibility with this Challenging Quiz!

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Master the Rules of Divisibility with this Challenging Quiz!

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Questions and Answers

Which of the following is a rule of divisibility?

Adding the digits of a number and checking if the sum is divisible by 3 (correct)

Multiplying the first and last digit of a number and checking if the product is divisible by 5

Doubling the last digit of a number and checking if it is divisible by 2

Subtracting the last digit of a number from the rest of the number and checking if the result is divisible by 9

What is the purpose of a rule of divisibility?

To determine if a number is prime

To determine if a number is odd or even

To determine if a number is a multiple of 10

To determine if one number is a factor of another (correct)

Which of the following is an example of a rule of divisibility?

Checking if a number is divisible by 5

Checking if a number is divisible by 10

Checking if the sum of the digits of a number is divisible by 9 (correct)

Checking if a number is divisible by 2

Which of the following is a rule of divisibility for determining if a number is divisible by 3?

The sum of the digits in the number is divisible by 3 (C) Signup and view all the answers

Which of the following is a rule of divisibility for determining if a number is divisible by 9?

The sum of the digits in the number is divisible by 9 (D) Signup and view all the answers

Which of the following is a rule of divisibility for determining if a number is divisible by 4?

The number formed by the last two digits is divisible by 4 (D) Signup and view all the answers

Which of the following is a rule of divisibility for determining if a number is divisible by 8?

The number formed by the last three digits is divisible by 8 (B) Signup and view all the answers

What is the purpose of an LCM (Least Common Multiple)?

To find the smallest common multiple of two or more given numbers (A) Signup and view all the answers