Alphabet Number Series Quiz Set 136 | Mental Ability Tests on 'Alphabet and Number Sequences and Series' Set 136 | 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

Position of John from the left in a row of students is 17, whereas the position of Karuna sitting in the same row is 10th from the right. After interchanging their positions, the position of the John becomes 6th 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 = 10 + 6 - 1 = 15.

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Question 2

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

9 Q 8 L F 2 R M W O H 7 Z C Y P U 1 I $

L F 7

F M H

9 L R

L R O

Soln.
Ans: a

There is a gap of 2 in similar items, except the odd one.

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Question 3

In the number series written below, how many 7 are there that are completely divisible by both the two successors to their right?

8 3 8 5 7 6 5 2 7 9 2 7 9 7 1 7 4 3 6

Soln.
Ans: d

At these locations: 7-1-7 ;

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Question 4

If every letter beginning from N is replaced by consecutive odd number beginning with 3, which number or letter will be 6th to the right of the 14th number or letter counting from the right end?

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

Soln.
Ans: a

The series becomes:

A B C D E F G H I J K L M 3 5 7 9 11 13 15 17 19 21 23 25 27

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Question 5

If every letter beginning from position 13, 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 S will be there in the resulting sequence?

D N V P M W G H J X E V S L E C N G R L Y D B B X