List of top Mathematics Questions on Real Numbers asked in UP Board X

Prove that $2\sqrt{2}$ is an irrational number.

LCM of the numbers 12 and 20 will be :

HCF of the numbers 49 and 91 will be :

LCM and HCF of two numbers are 182 and 13 respectively. If one number is 26, then other number will be :