# HCF & LCM · Basic Numeracy · UPSC Civil Service

Start Practice## MCQ (Single Correct Answer)

UPSC Civil Service Prelims Paper II 2023 (CSAT)

For any choices of values of X, Y and Z, the 6-digit number of the form XYZXYZ is divisible by:

UPSC Civil Service Prelims Paper II 2023 (CSAT)

How many natural numbers are there which give a remainder of 31 when 1186 is divided by these natural numbers?

UPSC Civil Service Prelims Paper II 2023 (CSAT)

There are three traffic signals. Each signal changes colour from green to red and then from red to green. The first signal takes 25 seconds, the secon...