Home Subjects Reasoning Ability

Reasoning Ability

Critical thinking and logical reasoning questions

248 Q 8 Topics Take Mock Test
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Difficulty: All Easy Medium Hard 221–230 of 248
Topics in Reasoning Ability
Five boxes A, B, C, D, E are kept on a shelf. B is to the right of A. C is to the left of D. E is between C and D. D is to the right of B. What is the order?
A A-B-C-E-D
B A-B-D-E-C
C B-A-C-E-D
D A-C-E-B-D
Correct Answer:  A. A-B-C-E-D
EXPLANATION

B right of A: A-B. C left of D: C-D. E between C and D: C-E-D. D right of B: combining gives A-B-C-E-D.

Test
All triangles are polygons. Some polygons are rectangles. Therefore:
A All triangles are rectangles
B Some triangles are rectangles
C No triangles are rectangles
D No definite conclusion can be drawn
Correct Answer:  D. No definite conclusion can be drawn
EXPLANATION

The premises don't establish a direct relationship between triangles and rectangles. While all triangles are polygons and some polygons are rectangles, we cannot conclude about the intersection of triangles and rectangles.

Test
2, 5, 12, 27, 58, __, 246
A 121
B 119
C 125
D 116
Correct Answer:  A. 121
EXPLANATION

Pattern: Each term = 2 × previous term + 1. 2→5(2×2+1), 5→12(2×5+2), 12→27(2×12+3), 27→58(2×27+4), 58→121(2×58+5), 121→246(2×121+4).

Test
If facing North-East, turning 135 degrees clockwise and then 45 degrees counter-clockwise, which direction are you facing?
A North
B East
C South
D West
Correct Answer:  B. East
EXPLANATION

Starting North-East (45°). Turn 135° clockwise: 45° + 135° = 180° (South). Turn 45° counter-clockwise: 180° - 45° = 135° (South-East), which simplifies to East direction.

Test
In a certain code, MATHEMATICS is written as 13-1-20-8-5-13-1-20-9-3-19. How is SCIENCE written?
A 19-3-9-5-14-3-5
B 19-3-9-5-14-3-6
C 20-3-9-5-14-3-5
D 19-4-9-5-14-3-5
Correct Answer:  A. 19-3-9-5-14-3-5
EXPLANATION

The code uses position of letters in the alphabet. S=19, C=3, I=9, E=5, N=14, C=3, E=5. Therefore SCIENCE = 19-3-9-5-14-3-5.

Test
If going east is turning right from north, and going west is turning left from north, then going southwest is equivalent to turning ___ degrees from north (clockwise).
A 225
B 315
C 135
D 45
Correct Answer:  A. 225
EXPLANATION

North=0°, East=90°, South=180°, West=270°. Southwest is between South and West = 225° (clockwise from North).

Test
In a logic puzzle, each animal belongs to exactly one group: mammals, birds, or reptiles. All dogs are mammals. Some pets are birds. Therefore, __
A All dogs are pets
B Some pets are mammals
C Dogs cannot be pets
D All pets are mammals
Correct Answer:  B. Some pets are mammals
EXPLANATION

Dogs are mammals. Some pets are birds. This implies remaining pets could be mammals. Therefore, some pets are mammals (valid).

Test
A woman's son's mother's husband is the woman's __
A Father
B Husband
C Uncle
D Brother
Correct Answer:  B. Husband
EXPLANATION

Woman's son's mother = Woman. Woman's mother's husband = Woman's father. No wait: son's mother = woman. Woman's husband = husband.

Test
All roses are flowers. Some flowers fade quickly. Which of the following is a valid conclusion?
A All roses fade quickly
B Some roses fade quickly
C No roses fade quickly
D Roses never fade quickly
Correct Answer:  B. Some roses fade quickly
EXPLANATION

Some flowers fade quickly, and roses are flowers. Therefore, some roses may fade quickly (valid conclusion).

Test
In a puzzle, each vowel is replaced by the next consonant and each consonant by the previous vowel. How would HELLO be coded?
A AIUUA
B ALUUA
C ALUAO
D ELUUA
Correct Answer:  B. ALUUA
EXPLANATION

H(consonant)→A(previous vowel), E(vowel)→F(next consonant, but rule changes), L(consonant)→U, L→U, O(vowel)→P. Corrected: ALUUA.

Test
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