# Mental Ability Tests on 'Alphabet and Number Sequences and Series' Set 42

## 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. 42 in this series.

Last Reviewed and Updated on January 21, 2020

## 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

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

A

S

B

E

C

T

D

I

Soln.
Ans: D

The new letter is: LECERTFIEISR

Question ID: 16-02-10-11-59-51-206.
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### Question 2

If the following series is reversed, then which item comes at position 19 counted from the left? The series is:

F Q Y \$ 8 + 7 P 1 2 M E J R % H A 3 4 D

A

E

B

Q

C

3

D

Y

Soln.
Ans: B

The item at position 19 is total items + 1 - 19 which is 20 + 1 - 19 = 2. Counting from the left we get Q.

Question ID: 16-02-10-11-59-51-207.
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### Question 3

Kalpana is ranked 15th from the top and 9th from the bottom among the students who passed the annual examination. If the total number of failed students is 13, how many students appeared in the exam?

A

43

B

36

C

29

D

34

Soln.
Ans: B

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 = 15 + 9 - 1 = 23. Those appeared = failed + passed = 23 + 13 = 36.

Question ID: 16-02-10-11-59-51-208.
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### Question 4

Raju is ranked 11th from the top and 5th from the bottom among the students who passed the annual examination. If the total number of failed students is 17, how many students appeared in the exam?

A

32

B

29

C

39

D

27

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 = 11 + 5 - 1 = 15. Those appeared = failed + passed = 15 + 17 = 32.

Question ID: 16-02-10-11-59-51-209.
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### Question 5

Rank of a student in his class from the top is 12. If the total number of students in the class is 30, what is his position from the bottom of the class?

A

24

B

14

C

19

D

13

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 position from bottom is = 30 - 12 + 1 = 19.

Question ID: 16-02-10-11-59-51-210.
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