Adaptive Practice
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10 questions • Earn up to 104 XP • First attempt — go for 100%!
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Question 1 of 10
⏱ 0:30
Easy
What is the HCF (Highest Common Factor) of 24 and 36?
Easy
Which of the following is a prime number?
Medium
Find the LCM of 8, 12 and 20.
Hard
If a number leaves a remainder 3 when divided by 5 and remainder 4 when divided by 7, what is the smallest such number?
Medium
Which of the following numbers is irrational?
Easy
Express 0.027 in the form of a fraction in simplest form.
Medium
If the product of two numbers is 144 and their HCF is 12, what is their LCM?
Medium
Which of the following is the decimal representation of 7/11?
Hard
Find the sum of the HCF and LCM of 15 and 20.
Easy
If a number is divisible by both 4 and 6, it must be divisible by: