Mental Ability Tests on 'Alphabet and Number Sequences and Series' Set 65 | free questions for competitive exams for banks, PO exams, NDA, CAT, CDS, ITBP, Civil, Defence Services and National Talent Search Exams, UGC NET, GATE, CSAT

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Aptitude Trainer and Software Developer

Quiz Questions

Each question has four choices. More than one option can be correct. After you have finished the quiz scroll towards the last question to view your result. I have provided solutions and answers to all the questions.

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Question 1

Study the following series.

T F Z 5 W I D 8 V U 4 Y 9 J R 1 @ C G K

Find what should come in place of the question mark(?)

58 , ? , 8U , U4

Soln.
Ans: D

There is a gap of 1 between the first characters of each of the given pair. The second character of each pair is decreasingly moving one position to the right of the first character.

Question ID: 16-02-10-11-59-51-321.
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Question 2

Position of Sham from the left in a row of students is 12, whereas the position of Rajni sitting in the same row is 12th from the right. After interchanging their positions, the position of the Sham becomes 16th from the left. What is the total number of students in the row?

Soln.
Ans: D

Sum of positions of an item from top(right) and bottom(left) of a list is always equal to the sum of the positions of the first and last items. So total items is = 12 + 16 - 1 = 27.

Question ID: 16-02-10-11-59-51-322.
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Question 3

Following is a series of digits from 1-9. How many 5 are there that are not divisible by the number on their left but completely divisible by the number on their right?

5 5 2 7 8 3 9 4 3 6 5 7 2 4 9 5 5 6 5

Soln.
Ans: A

At these locations: 9-5-5 ;

Question ID: 16-02-10-11-59-51-323.
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Question 4

Study the following series and find the odd man out from the choices below.

S O 4 8 W R 5 6 G 3 % K L + $ U Z H J 2

5 %

U 2

O R

S 8

Soln.
Ans: D

There is a gap of 3 in similar items, except the odd one.

Question ID: 16-02-10-11-59-51-324.
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Question 5

In the number series written below, how many 5 are there that are completely divisible by both the two successors to their right?

5 4 1 5 2 2 7 7 3 5 6 5 8 2 5 5 4 3 6

Soln.
Ans: C

None.

Question ID: 16-02-10-11-59-51-325.
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