3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Find out the wrong term in the series 3, 7, 15, 39, 63, 127, 255, 511

A) 39	B) 255
C) 127	D) 63

Answer & Explanation Answer: A) 39

Explanation:

The correct pattern is *2+1
So, 39 is wrong and must be replaced by (15 * 2 + 1) = 31

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Filed Under: Number Series

21 11300

Q:

Find out the wrong term in the series 125, 126, 124, 127, 123, 129

A) 129	B) 125
C) 127	D) 123

Answer & Explanation Answer: A) 129

Explanation:

The correct pattern is +1, -2, +3, -4, +5, . . . .
So,129 wrong and must be replaced by 123 + 5 = 128

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Filed Under: Number Series

17 11288

Q:

Select from the five alternative diagrams, the one that best illustrates the relationship among the three classes : Truck, Ship, Goods

A) 1	B) 3
C) 4	D) 5

Answer & Explanation Answer: B) 3

Explanation:

Truck and Ship are entirely different. But some Goods are carried by some Trucks and some Goods are carried by some Ships.

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Filed Under: Logical Venn Diagram

139 11287

Q:

In a certain code ARCHIVE is written as DSBGFWJ. How is SYSTEMS is written in that code ?

A) TZTSTUN	B) TZTSTNF
C) TZTUTNF	D) TZTNTFS

Answer & Explanation Answer: B) TZTSTNF

Explanation:

ARC -> CRA ->(+1) DSB
H -> H ->(-1) G
IVE -> EVI ->(+1) FWJ

Similarly,

SYS -> SYS ->(+1) TZT
T -> T ->(-1) S
EMS -> SME ->(+1) TNF

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Filed Under: Alphabet Test
Exam Prep: GRE , GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

18 11284

Q:

Sullen is to moody as monotonous is to what

A) Repetitious	B) Attractive
C) Drab	D) Varied

Answer & Explanation Answer: A) Repetitious

Explanation:

Here the given words, sullen and moody are synonyms to each other which means that gloomy, resentful. Similarly, repetitious and monotonous are synonyms to each other which means dull, tedious.

Hence, Sullen : moody :: monotonous : repetitious.

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Filed Under: Analogy
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
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8 11270

Q:

Study the diagram given below and answer the questions based on it.

$∆$ represents Persons who like Reading

$○$ represents Persons who like Cycling

$□$ represents Persons who like Trekking

How many persons like reading?

A) 170	B) 154
C) 176	D) 117

Answer & Explanation Answer: A) 170

Explanation:

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Filed Under: Logical Venn Diagram
Exam Prep: Bank Exams

0 11229

Q:

Identify the diagram that best represents the relationship among the given classes.

Computer hardware, Monitor, Keyboard, Operating system

1)

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: A) 1

Explanation:

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Filed Under: Logical Venn Diagram
Exam Prep: Bank Exams

2 11228

Q:

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

RIP, TLT, VOX, XRB, ?

A) ZTE	B) AUF
C) ZUF	D) ATE

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