Mental Ability Tests on 'Alphabet and Number Sequences and Series' Set 127 | 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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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

Position of Raju from the left in a row of students is 12, whereas the position of Karuna sitting in the same row is 17th from the right. After interchanging their positions, the position of the Raju becomes 18th from the left. What is the total number of students in the row?

Soln.
Ans: A

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 = 17 + 18 - 1 = 34.

Question ID: 16-02-10-11-59-51-631.
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Question 2

Study the following series.

B V 9 X L Y 8 S @ W G M 1 H O 2 T 3 $ 4

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

XY , ? , WM , 1O

Soln.
Ans: D

There is a gap of 2 between the first characters of each of the given pair. The second character of each pair is separated by one position to the right of the first character.

Question ID: 16-02-10-11-59-51-632.
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Question 3

Examine the following series of digits and alphabets. How many pairs are such that the first item is a number but the second is an alphabet?

9 8 Q 1 K G 3 Z R 2 N 2 9 U T X H C 7 V

Soln.
Ans: B

At these locations: 8-Q ;1-K ;3-Z ;2-N ;9-U ;7-V ;

Question ID: 16-02-10-11-59-51-633.
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Question 4

Which letter will be the 5th from right if 1st and 2nd, 3rd and 4th and so on are interchanged in the word COMPLEXIFIED?

Soln.
Ans: D

The new letter is: OCPMELIXIFDE

Question ID: 16-02-10-11-59-51-634.
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Question 5

If an item is at position 18 from the top of a list and at position 5 from the bottom of that list, how many items are there in the list?

Soln.
Ans: C

Sum of positions of an item from top and bottom of a list is always equal to the sum of the positions of the first and last items. So total number of items is= position of last item is= 18 + 5 - 1 = 22.

Question ID: 16-02-10-11-59-51-635.
Found an error? Send us the ID of this question.