Question

What is the successor of the largest 3 digit number and predecessor of the smallest 3-digit number?

[2 marks]

Answer 1

$\text{The largest 3 digit number is 999.}[0.5\mathrm{mark}]\text{Therefore, the successor of 999 is,}\text{⇒ 999+ 1 =1000}[0.5\mathrm{mark}]\text{The smallest 3 digit number is 100}[0.5\mathrm{mark}]\text{Therefore, the predecessor of 100 is,}\text{⇒100-1= 99}[0.5\mathrm{mark}]$