Adaptive Practice
Real Numbers
10 questions • Earn up to 101 XP • First attempt — go for 100%!
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Question 1 of 10
⏱ 0:30
Easy
Which of the following is a rational number?
Easy
The decimal expansion of a rational number is always:
Easy
If p and q are prime numbers, then the HCF of p and q is:
Easy
Which of the following is an irrational number?
Medium
Express 0.012012012... as a rational number in simplest form.
Medium
The product of the LCM and HCF of two numbers is 3600. If one number is 60, find the other number.
Medium
Find the HCF of 252 and 198 using the Euclid’s division algorithm.
Hard
If √x is irrational, which of the following must be true?
Hard
Prove that √3 is irrational using contradiction method.
Easy
If the decimal expansion of a number is non-terminating and non-repeating, then the number is: