9th Class Mental Ability Sequential Output Tracing Question Bank Sequential Output Tracing

Direction: Study the information below carefully.

A number arrangement machine when given an input consisting of numbers arranges the numbers in a particular way until all the numbers are arranged in a specific order. Read the following steps of rearrangements.

Input    : 60 54 18 48 12 90

Step I    : 60 90 54 12 18 48

Step II    : 60 48 90 18 54 12

Step III   : 60 12 48 54 90 18

Step IV   : 60 18 12 90 48 54

Step V    : 60 54 18 48 12 90

The step V is the final step. Identify the rule in above steps of rearrangement and hence answer the questions given below. What will be the step III for some input if the final step is given below? Final step:    101   9     48    60    22    120

A)

101 48 22 120 60 9

B)

101 120 9 22 48 60

C)

101 60 120 48 9 22

D) Can't be determined

Correct Answer: D

Solution :

In each step the following rule is followed by the numbers until the original input is obtained. 1st last 2nd 2nd last 3rd 3rd last,