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.
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Question 1
If the first half of the following series is reversed, then which item is 9th to the left of the 6th item from the right side? The series is:
U D O 3 1 2 Q V Z J Y 9 E K F C 7 I 8 $
I
F
2
J
Ans: C
Midpoint is 10. We have to find 20 - 6 - 9 = 5 + 1th item from the left side. Since the location lies in the left half, the sequence has been reversed in this zone. So the item will be at location 10 - 5 = 5 + 1 from the left in the original series. Which means the item is: 2.
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Question 2
Study the following series.
O 7 Z A 9 3 2 H 4 E C @ U + K % I T 1 8
Find what should come in place of the question mark(?)
92 , ? , CU , +%
3E
HH
E4
HE
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.
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Question 3
If every letter beginning from E is replaced by consecutive even number beginning with 2, which number or letter will be 7th to the right of the 23th 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
14
22
44
C
Ans: A
The series becomes:
A B C D 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44
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Question 4
If the items from position 6 to the position 18 are reversed, then which item comes at position 8 in the following series? The series is:
K Z F W B Y J D 5 I U M 1 $ P 6 H 3 2 8
6
$
D
H
Ans: A
The position 8 falls within the reversed positions. So the item at this position is the item at position 6 + 18 - 8 = 16 in the original series. We can count, the item is 6
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Question 5
In the number series written below, how many 9 are there that are completely divisible by both the two successors to their right?
7 9 1 2 4 4 9 9 9 5 8 6 9 6 8 5 1 5 9
2
3
1
0
Ans: C
At these locations: 9-9-9 ;
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This Blog Post/Article "Mental Ability Tests on 'Alphabet and Number Sequences and Series' Set 225" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Updated on 2020-02-07. Published on: 2016-02-10