Alphabet Number Series Quiz Set 163 | Mental Ability Tests on 'Alphabet and Number Sequences and Series' Set 163 | 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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Question 1

Vikram is ranked 17th from the top and 18th 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?

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 = 17 + 18 - 1 = 34. Those appeared = failed + passed = 34 + 17 = 51.

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Question 2

This is a series of digits and alphabets. How many pairs are such that the consecutive items are both numbers?

7 8 5 2 A 4 Z Y H W J 6 1 S T F 9 6 U 3

Soln.
Ans: a

At these locations: 7-8 ;8-5 ;5-2 ;6-1 ;9-6 ;

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Question 3

Study the following series.

4 S I H N 8 A Y E 2 B P + Z 7 M T D 3 G

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

N8 , Y2 , ? , ZD

Soln.
Ans: a

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

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Question 4

Rank of a student in his class from the top is 6. If the total number of students in the class is 21, what is his position from the bottom of the class?

Soln.
Ans: a

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 = 21 - 6 + 1 = 16.

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