TN TET · Number System · Quiz

Number System — quick quiz

5 real TN TET questions on Number System. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

EASY

A number is divisible by 9 if the sum of its digits is divisible by 9. What is the smallest digit that can replace * in the number 45*8 so that it becomes divisible by 9?