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Question
"easy 20 87 85 76 unit lady fade" is re-arranged according to a particular rule, in the steps mentioned below.
- easy fade 87 85 76 unit lady 20
- easy fade 87 85 lady unit 76 20
- easy fade lady 85 87 unit 76 20
- easy fade lady unit 87 85 76 20
If an input is: quad 74 face 03 60 lack 48 keys, then how many steps are required if re-arrangement is done according to the above rule?
A
6
B
5
C
4
D
7
Soln.
Ans: a
Ans: a
In each step, English words are moving to the left in the order in which they appear in a dictionary. The numbers are moving to the right in ascending order. An English word is placed, then a number, and so on. These are the steps for re-arrangement starting with quad 74 face 03 60 lack 48 keys:
- face 74 quad 03 60 lack 48 keys
- face 74 quad keys 60 lack 48 03
- face keys quad 74 60 lack 48 03
- face keys lack 74 60 quad 48 03
- face keys lack 74 quad 60 48 03
- face keys lack quad 74 60 48 03