Sequential Output Tracing Questions

Q:

Who is the immediate right of D?

A) M B) Q
C) B D) C
 
Answer & Explanation Answer: A) M

Explanation:

From the above arrangements, M is to the immediate right of D.

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27 2206
Q:

The admission ticket for an exhibition bears a password which is changed after every clock hour based on set of words chosen for each day. The following is an illustration of the code and steps of rearrangement for subsequent clock hours. The time is 9 a.m. to 3 p.m.

 

Day's first password :       

First Batch  -----  9 a.m. to 10 a.m.

is not ready cloth simple harmony burning

Second Batch  -----  10 a.m. to 11 a.m.

ready not is cloth burning harmony simple

Third Batch  -----  11 a.m. to 12 noon

cloth is not ready simple harmony burning

Fourth Batch  -----  12 noon to 1 p.m.

not is cloth ready burning harmony simple

Fifth Batch  -----  1 p.m. to 2 p.m.

ready cloth is not simple harmony burning and so on. 

 

 If the password for 11 a.m. to 12 noon was --- "soap shy miss pen yet the she", what was the password for the first batch ? 

A) pen miss shy soap she the yet B) shy miss pen soap yet the she
C) soap pen miss shy she the yet D) miss shy soap pen she the yet
 
Answer & Explanation Answer: B) shy miss pen soap yet the she

Explanation:

Clearly, the given arrangement is as under :
In the first step, the first three and the last three letters are written in a reverse order.
Then, the first four and the last three letters are written in a reverse order.

 

The process is repeated to obtain successive output steps. 

Third batch : soap shy miss pen yet the she

Second batch : pen miss shy soap she the yet

First batch : shy miss pen soap yet the she

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20 1992
Q:

An electronic device when fed with the numbers, rearranges them in a particular order following certain rules. The following is a step-by-step process of rearrangement for the given input of numbers.

 

Input    :- 85   16   36   04   19   97   63   09

Step I   :- 97   85   16   36   04   19   63   09

Step II  :- 97   85   63   16   36   04   19   09

Step III :- 97   85   63   36   16   04   19   09

Step IV :- 97   85   63   36   19   16   04   09

Step V  :- 97   85   63   36   19   16   09   04

(for the given input step V is the last step).

 

Which of the following will be the last step for the given input ?

Input :- 03   31   43   22   11   09 

A) IV B) V
C) VI D) None of these
 
Answer & Explanation Answer: B) V

Explanation:

Clearly, in the given arrangement, the numbers have been arranged in descending order in a sequence, altering the position of only one number in each step

Input       : 03   31   43   22   11   09

Step I      : 43   03   31   22   11   09
Step II     : 43   31   03   22   11   09
Step III   : 43   31   22   03   11   09
Step IV   : 43   31   22   11   03   09
Step V    : 43   31   22   11   09   03

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8 1946
Q:

In which of the following pairs,second person is to  the immediate right of the first person ?

A) H,E B) B,D
C) B,C D) D,A
 
Answer & Explanation Answer: C) B,C

Explanation:

'C' is to the immediate right of the 'B'

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17 1729
Q:

In a class of 60 students where girls are twice that of boys, Laxmi ranked 27th from the top. If there are 9 boys ahead of Laxmi, how many girls are after her rank ?

A) 23 B) 21
C) 22 D) 24
 
Answer & Explanation Answer: C) 22

Explanation:

Given number of girls are twice that of boys.

--> G=2B and G+B = 60 

Therefore,  G=40 and B= 20

Given Laxmi ranked 27th from the top and 9 boys are ahead of Laxmi.

Therefore, There are 17 girls ahead of Laxmi. 

Therefore, Number of girls who ranked after Laxmi = 40 - (17+1) = 22.

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14 1627
Q:

Which of the following pairs represents the immediate neighbours of Q?

A) PT B) PB
C) PD D) None of these
 
Answer & Explanation Answer: D) None of these

Explanation:

From the above arrangements, P and R are the immediate neighbours of Q.

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8 1608
Q:

Which of the following is definitely true?

A) D is second to the left of H B) A is second to the right of E
C) C is to the immediate right of B D) E is to the immediate left of C
 
Answer & Explanation Answer: C) C is to the immediate right of B

Explanation:
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10 1326
Q:

-20 , -16 , -12 , -8 .... 

In the sequence above, each term after the first is 4 greater than the preceding term. Which of the following could not be a term in the sequence? 

A) 220 B) 440
C) 668 D) 762
 
Answer & Explanation Answer: D) 762

Explanation:

All terms in the sequence will be multiples of 4.

762 and 902 are not multiples of 4

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