Table of Contents

## Question

A number plate can be formed with two alphabets followed by two digits with no repetition. then how many possible combinations can we get?

a) 58500

b) 67600

c) 57850

d) 58761

## Solution

No Of alphabets=26 (a-z) No Of digits=10(0-9) Ways of arranging two alphabets with out repetition=26*25=650ways of forming two digits without repetition=10*9=90 No Of combinations of forming the number on number plate= 650*90=58500