Adaptive Practice
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10 questions • Earn up to 101 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 rational number?
Medium
If the LCM of two numbers is 180 and their HCF is 6, and one number is 30, what is the other number?
Hard
Express 0.\u2083\u2086\u2086\u2086... (where 86 repeats) as a fraction in simplest form.
Easy
Which of the following numbers is irrational?
Easy
Find the sum of the HCF and LCM of 8 and 12.
Medium
If a number leaves a remainder 3 when divided by 7 and remainder 4 when divided by 5, what is the smallest such positive number?
Easy
Which of the following is NOT a prime number?
Hard
Find the number of digits in the number 7^{10}.
Medium
If the sum of two numbers is 45 and their HCF is 9, which of the following could be their LCM?