Logical Reasoning Test

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Logical Reasoning Test - 20

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Weekly Quiz Competition

Question 1
5 / -1

Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster does not belong to that group?

(Note: The odd letter-cluster is not based on the number of consonants/vowels or their position in the letter-cluster.)

A
IFM

B
OLR

C
TQX

D
GDK

Solution

The logic followed here is:

Option 1) IFM

Thus, out of all the options 'OLR' is the odd one out.

Hence, "Option 2" is the correct answer.
Question 2
5 / -1

Three of the following four letter-clusters are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group?

(Note: The odd one out is not based on the number of consonants/vowels or their position in the letter cluster.)

1) EFINU

2) BCFKR

3) JKNSZ

4) HIMQX

A
EFINU

B
JKNSZ

C
HIMQX

D
BCFKR

Solution

The logic followed here is:

Option 1) EFINU

Thus, out of all the options "HIMQX" is the odd one out.

Hence, "Option 3" is the correct answer.
Question 3
5 / -1

Find the ODD one out from the given options.

A

B

C

D

Solution

The logic followed here is, the place value of alphabets in the alphabetical series

D → Place value of D is 4 (Even no.)

F → Place value of F is 6 (Even no.)

W → Place value of W is 23 (Odd no.)

B → Place value of B is 2 (Even no.)

So, W is the correct answer

Hence, the correct answer is "Option 3".
Question 4
5 / -1

Find the ODD one out from the given options.

A
Mathematics

B
Chemistry

C
Library

D
Physics

Solution

The logic followed here is:

Mathematics, Chemistry, Physics all are Academic subjects,

Whereas,

Library is a Place.

Hence, the correct answer is "Library".
Question 5
5 / -1

Find the ODD one out from the given options.

A

B

C

D

Solution

The logic followed here is:

Both the arrow and triangle are facing the same direction.

Now, let's check each option,

So, only Option 4 doesn't follow the logic.

Hence, the correct answer is "Option 4".
Question 6
5 / -1

Find the ODD one out from the given options.

A
38, 18

B
35, 15

C
83, 63

D
36, 12

Solution

The logic followed here is:

In each pair, the second number should be the result of multiplying the first number by a specific factor.

Option 1) 38, 18

→ 38 / 2 = 19, which is not equal to 18.

Option 2) 35, 15

→ 35 / 2 = 17.5, which is not equal to 15.

Option 3) 83, 63

→ 83 / 2 = 41.5, which is not equal to 63.

Option 4) 36, 12

→ 36 / 3 = 12, which is equal to 12.

So, the odd number pair is '36, 12'.

Hence, the correct option is "Option 4".
Question 7
5 / -1

Find the ODD one out from the given options.

A
127

B
151

C
147

D
131

Solution

The logic follows here is:

All the numbers 127, 151, 131 is prime numbers except 147.

As, 147 is not a prime number.

So, 147 is the odd numbers.

Hence, the correct answer is "Option 3".
Question 8
5 / -1

Three of the following four words are alike in a certain way and one is different. Pick the odd one out.

A
Triangle

B
Hexagon

C
Heptagon

D
Pentagon

Solution

The logic followed here is:

Triangle, Heptagon, Pentagon all are polygons with having sides in prime number order,

Whereas,

Hexagon has 6 sides, and it gives Even number of sides.

Hence, the correct answer is "Option 2".
Question 9
5 / -1

Four of the following five are similar in a certain way, which creates a group.

Which of these is not related to this group?

Trick, Hoax, Reliable, Bluff, Cheat

A
Bluff

B
Cheat

C
Hoax

D
Reliable

Solution

The logic followed here is:

Logic: Trick, Hoax, Bluff and Cheat are synonyms.

Whereas "Reliable" means that you can trust.

Hence, the correct answer is "Reliable".
Question 10
5 / -1

Four of the following given below are similar in some way and so they form a group among themselves. Which of these is not related to this group?

Expert, Genius, Brainy, Skilful, Insane

A
Skilful

B
Genius

C
Brainy

D
Insane

Solution

The logic followed here is:

Expert, Genius, Brainy, and Skilful are all terms indicating proficiency or high capability in certain areas.

Whereas,

Insane refers to a state of mental instability or illness.

So, the odd word is "Insane".

Hence, the correct answer is 'Option 4'.