Input : Determined Railway 16 38 47 Eenadu Apsrtc 55
How many steps will be required to complete the rearrangement?
Answer: D
Write the first letters of the given problem.
Step 1 : 55 D R 16 38 47 E A
Step 2 : 55 A D R 16 38 47 E
Step 3 : 55 A 47 D R 16 38 E
Step 4 : 55 A 47 D 38 R 16 E
Step 5 : 55 A 47 D 38 E 16 R
Step 6 : 55 A 47 D 38 E 16 R