Question

how many words can be formed from the letters of the word trinity which starts with i?

Answer 1

720 words are possible

Answer 2

Answer:

360 possible ways

Given:

trinity

To find:

How many words can be formed from the letters of trinity which starts with I.

Solution:

trinity = 7 places

t r i n i t y

1 2 3 4 5 6 7

the word contains 2 m's and 2 i's

out of which 1 i should be the starting letter, so there are only one repeating letter which is 'm' and the word has 6 places

= 6! / 2!

= 1*2*3*4*5*6 / 1*2

= 720 / 2

= 360

#SPJ2