Question

find the rank of the word LUBER​

Answer 1

Answer:

The letters of the word "LABOUR" are permuted in all possible ways, and the words thus formed are arranged as in a dictionary, then the rank of the word "LABOUR" is

Step-by-step explanation:

Correct option is

C

242

Words starting with A →

A 5 4 3 2 1

C

1

=5!

Words starting with B →

B

C

2

=5!

→ Next letter in the dictionary will be L.

The letters following it in the dictionary are A, B and O in order.

→ So, the first word starting with L will be LABORU

→ The one following it will be LABOUR

So, the rank of the word LABOUR is

C

1

+C

2

+1+1

=5!+5!+1+1

=120+120+1+1

=242

Ans =242