Mental Ability Tests on 'Alphabet and Number Sequences and Series' Set 99

These questions help you develop speed and accuracy. Every exam tests these skills. So if you are preparing for a bank exam, state and national talent search exams, UGC NET, GATE, etc., then this quiz will help you master these skills. I have provided answers and solutions to each of the questions. This is quiz no. 99 in this series.

Last Reviewed and Updated on August 18, 2019
Posted by Parveen(Hoven),
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.

Question 1

Chetan is ranked 10th from the top and 11th from the bottom among the students who passed the annual examination. If the total number of failed students is 18, how many students appeared in the exam?

A

38

B

37

C

31

D

43

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 passed is = 10 + 11 - 1 = 20. Those appeared = failed + passed = 20 + 18 = 38.

Question ID: 16-02-10-11-59-51-491.
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Question 2

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

A

O

B

A

C

N

D

I

Soln.
Ans: B

The new letter is: DILOSITAOISN

Question ID: 16-02-10-11-59-51-492.
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Question 3

If every letter beginning from position 10, counted from left, is replaced by its successor in the English alphabet, and any Z after this position is replaced by A, then, how many A will be there in the resulting sequence?

W D R K H T M K A Y B C B U I G X X P N F V V R N

A

4

B

3

C

7

D

1

Soln.
Ans: D

The series becomes:

W D R K H T M K A Z C D C V J H Y Y Q O G W W S O

Question ID: 16-02-10-11-59-51-493.
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Question 4

If the alphabets at the positions 3, 14, 15, 18, 20, 21 and 25 are picked up and a meaningful word is formed out of them, what would be the second letter of that word?

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

T

B

U

C

O

D

C

Soln.
Ans: C

The letters are: C, N, O, R, T, U, Y. The word is COUNTRY

Question ID: 16-02-10-11-59-51-494.
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Question 5

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

A

S

B

O

C

B

D

L

Soln.
Ans: D

The new letter is: AFHSOIANLBSE

Question ID: 16-02-10-11-59-51-495.
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