31st sum plz

Asked by lovemaan5500 | 2nd Feb, 2019, 08:23: PM

Expert Answer:

Gentleman can be arranegd in 5! = 120 ways
3 ladies can be arranged in 3! = 6 ways
The arrangements can be done in opposite directions. 
Hence, total number of ways = 2 × 120 × 6 = 1440

Answered by Sneha shidid | 4th Feb, 2019, 10:43: AM