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 Sequential Output Tracing Questions

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Q:

An electronic device rearranges numbers step-by-step in a particular order according to set of rules. The device stops when the final result is obtained.


Input: 84 15 35 04 18 96 62 08
Step 1: 96 84 15 35 04 18 62 08
Step 2: 96 84 62 15 35 04 18 08
Step 3: 96 84 62 35 15 04 18 08
Step 4: 96 84 62 35 18 15 04 08
Step 5: 96 84 62 35 18 15 08 04
And Step 5 is the last step for this input. Now, find out an appropriate step in the following question following the above rule.

Question:
Input: 16 09 24 28 15 04
What will be the third step for this input ?

A) 28 24 15 16 04 09 B) 28 24 16 15 09 04
C) 24 28 15 16 09 04 D) 28 24 16 15 04 09
 
Answer & Explanation Answer: B) 28 24 16 15 09 04

Explanation:

Carefully obsrving the given arrangement, we find the following pattern:
We observe that the given numbers are arranged in descending order (from left to right), altering the position of only one number in each step, followed by the other numbers as it is. The process continues till the whole set of numbers is arranged in the descending order.

Step1: 28 16 09 24 15 04
Step2: 28 24 16 09 15 04
Step3: 28 24 16 15 09 04

Hence, the answer is B

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7 3322
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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16 2809
Q:

The first term in a sequence is 1 and the second term is 5. From the third term on each term is the average (arithmetic mean) of all preceding terms. What is the 25th term in the sequence?

A) 2.5 B) 3
C) 5 D) 2.5
 
Answer & Explanation Answer: B) 3

Explanation:

Start constructing the sequence until you see the pattern

1...5...(average of 1 and 5 = 3)...(average of 1, 5, and 3 = 3)...(average of 1,5,3 and 3 = 3)

now you can see that all subsequent terms will be 3

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Exam Prep: GRE

6 2004
Q:

A word arranging device rearranges words step-by-step in a particular order according to set of rules. The device stops when the final result is obtained.
Input: but going for crept te light sir
Step 1: crept but going for te light sir
Step 2: crept going light but for te sir
Step 3: crept going light but for sir te
And Step 3 is the last step for this input. Now, find out an appropriate step in the following question following the above rules.

Question:
Input: more fight cats cough sough acts idea
What will be the last step for this input ?

A) cough fight sough acts cats idea more B) cough fight sough acts cats more idea
C) cough more fight sough acts idea cats D) none of these
 
Answer & Explanation Answer: A) cough fight sough acts cats idea more

Explanation:

Carefully obsrving the given arrangement, we find the following pattern:
We observe that,first all the words with the highest number of letters are arranged in the alphabetical order, followed by the words with the second highest number of letters and so on.However, the position of only one word is altered at each step.
Input: more fight cats cough sough acts idea
Step1: cough more fight cats sough acts idea
Step2: cough fight more cats sough acts idea
Step3: cough fight sough more cats acts idea
Step4: cough fight sough acts more cats idea
Step5: cough fight sough acts cats more idea
Step6: cough fight sough acts cats idea more

 

Hence, the answer is A

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9 1904
Q:

Six family members Pankaj, Gopi, Chetan, Dinesh, Akash and Vyom are standing around a circular table. Gopi is between Vyom and Chetan. Pankaj is between Akash and Dinesh. Vyom is to the immediate right of Dinesh. Who is opposite to Dinesh?

A) Pankaj B) Chetan
C) Vyom D) Gopi
 
Answer & Explanation Answer: B) Chetan

Explanation:
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2 1500
Q:

Five people A,B,C,D and E are sitting in a row facing you such that D is on the left of C and B is on the right of E. A is on the right of C and B is on the left of D. If E occupies a corner position, then whose sitting in the centre?

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

Explanation:
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2 945
Q:

Arrange the following words as per order in the dictionary 1. Assassination 2. Association 3. Assimilate 4. Assimuthual

A) 1,2,3,4 B) 1,3,2,4
C) 1,3,4,2 D) 2,3,1,4
 
Answer & Explanation Answer: C) 1,3,4,2

Explanation:
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1 914
Q:

Select the option figure that will complete the series of question figures.

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

Explanation:
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