MCQ Subject: Number System

For two numbers 12 and 15, if their HCF is 3, what is their LCM?

A number is formed by writing the numbers 1 to 50 in a sequence. Which of the following statements about this number is TRUE?

Find the smallest number that is divisible by 6, 8, and 9, and when divided by 11, leaves a remainder of 3.

Which of the following best defines an even number in the number system?

If the HCF of two numbers is 8 and their product is 420, what is their LCM?

Which of the following numbers is definitely even?

Which of the following numbers is NOT divisible by 3?

Two numbers have an HCF of 12 and an LCM of 420. If one of the numbers is 60, the other number is _______.

Which of the following fractions is equivalent to the decimal 0.125?

Which of the following is TRUE regarding the whole number 0?