Math, asked by swatiasawant18, 9 months ago

the number of ways of forming an arrangement of 5 letters from the letters in the word 'IITJEE' is

Answers

Answered by knjroopa
12

Step-by-step explanation:

Given The number of ways of forming an arrangement of 5 letters from the letters in the word 'IITJEE' is

  • We need to find the number of ways of forming an arrangement of 5 letters from the given word IITJEE
  • So there are 6 letters in the given word, which will be 6!
  • Also there are 2I and 2E which are similar.  
  • So we get 6! / 2! 2!
  • Now the number of ways of forming an arrangement of 5 letters will be
  •             = 6! / 2!2!
  •            = 6 x 5 x 4 x 3 x 2 x 1 / 2 x1 x 2 x 1
  •           = 180 ways  

Reference link will be

https://brainly.in/question/9477524

Similar questions