Adaptive Practice
Real Numbers
8 questions • Earn up to 79 XP • First attempt — go for 100%!
0
XP
0
Correct
x1
Combo
Question 1 of 8
⏱ 0:30
Easy
HCF of 26 and 91 is:
Easy
If HCF(a,b) = 1, then the numbers are:
Medium
The decimal expansion of 17/8 is:
Easy
√2 × √3 equals:
Medium
LCM(12, 15, 21) is:
Easy
For any two positive integers a and b, HCF(a,b) × LCM(a,b) = ?
Medium
The number 5 − √3 is:
Hard
If the prime factorisation of denominator is of the form 2ⁿ × 5ᵐ, the decimal expansion is: