Question

on.
11. Find the number of permutations of the letters of the words
FORECAST and MILKY taking 5 at a time of which 3 letters
from the first word and 2 from the second.​

Answer 1

Answer:

356

Step-by-step explanation:

3 letters from FORECAST(8 letters) , 2 letters from MILKY(5 letters)

8P3 =6*7*8=336

5P2 =4*5=20

total permutations =336+20 =356

Answer 2

Answer:

67200

Step-by-step explanation:

forecast: ⁸C3

milky: ⁵C2

arrangement i.e. permutation of 5 letters: ⁵P5

on multiplying all of the three we get,

56×10×120=67200