Home Subjects Reasoning Ability Series & Analogies

Reasoning Ability
Series & Analogies

Critical thinking and logical reasoning questions

23 Q 8 Topics Take Mock Test
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Difficulty: All Easy Medium Hard 1–10 of 23
Topics in Reasoning Ability
Analogy: Lexicon is to Words as Atlas is to?
A Pages
B Maps
C Information
D Geography
Correct Answer:  B. Maps
EXPLANATION

A lexicon is a collection of words; an atlas is a collection of maps. The relationship is between a reference work and its primary content.

Test
Six people A, B, C, D, E, F sit in a row. D sits between A and B. C sits at one end. E is not adjacent to F. Who sits at the other end?
A A or B
B E or F
C A or E
D Cannot be determined
Correct Answer:  D. Cannot be determined
EXPLANATION

Given only that D sits between A and B, C is at one end, and E is not adjacent to F, multiple valid arrangements exist. The person at the other end cannot be uniquely determined.

Test
In a series: 5, 14, 27, 44, 65, ?, what is the next number?
A 88
B 90
C 92
D 95
Correct Answer:  B. 90
EXPLANATION

The differences are: 9, 13, 17, 21, (25). Following the pattern of increasing by 4 each time, the next difference is 25, so 65+25=90

Test
Statement: All musicians are creative. Some creative people are scientists. Conclusion: Some musicians are scientists.
A Definitely true
B Definitely false
C Cannot be determined
D Possibly true
Correct Answer:  C. Cannot be determined
EXPLANATION

While all musicians are creative, and some creative people are scientists, we cannot definitively conclude that some musicians are scientists without knowing the overlap between the two groups.

Test
Ramesh walks 15 km North, then 8 km East, then 15 km South. How far is he from his starting point?
A 8 km
B 15 km
C 23 km
D 17 km
Correct Answer:  A. 8 km
EXPLANATION

After going 15 km North and 15 km South, Ramesh returns to his original latitude. He is only 8 km East of his starting point.

Test
In a series: 100, 99, 97, 94, 90, ?, what is the next number?
A 85
B 84
C 86
D 83
Correct Answer:  A. 85
EXPLANATION

Differences are: -1, -2, -3, -4, -5. So 90 - 5 = 85

Test
If DREAM is coded as 4-18-5-1-13, what is the code for MUSIC?
A 13-21-19-9-3
B 13-20-18-8-2
C 14-22-20-10-4
D 12-21-19-9-3
Correct Answer:  A. 13-21-19-9-3
EXPLANATION

Each letter coded as its position in alphabet: M=13, U=21, S=19, I=9, C=3

Test
If some athletes are students and all students are learners, then which statement is definitely true?
A All athletes are learners
B Some athletes are learners
C All learners are athletes
D No athletes are learners
Correct Answer:  B. Some athletes are learners
EXPLANATION

Some athletes are students, and all students are learners, therefore some athletes are learners

Test
In a series: 1, 2, 3, 5, 8, 13, 21, ?, what is the next number?
A 34
B 35
C 28
D 32
Correct Answer:  A. 34
EXPLANATION

Fibonacci series where each number is sum of previous two: 13 + 21 = 34

Test
Q.10 Medium Series & Analogies
All birds can fly. Some birds are colorful. What can be concluded?
A All colorful things can fly
B All birds are colorful
C Some colorful things can fly
D No birds are colorful
Correct Answer:  C. Some colorful things can fly
EXPLANATION

Some birds are colorful and all birds can fly, therefore some colorful things can fly

Test
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