Home Subjects GPSC (Gujarat) Reasoning & Aptitude

GPSC (Gujarat)
Reasoning & Aptitude

Gujarat Public Service Commission

35 Q 6 Topics Take Mock Test
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Difficulty: All Easy Medium Hard 31–35 of 35
Topics in GPSC (Gujarat)
In a sequence: 1, 1, 2, 3, 5, 8, 13, ?, what is the next number?
A 20
B 21
C 22
D 23
Correct Answer:  B. 21
EXPLANATION

This is the Fibonacci sequence where each number is the sum of the previous two. 8 + 13 = 21.

Test
A clock shows 3:00. The hour hand and minute hand form an angle of how many degrees?
A 60°
B 90°
C 120°
D 180°
Correct Answer:  B. 90°
EXPLANATION

At 3:00, the minute hand points to 12 and the hour hand points to 3. The angle between them is 90°.

Test
If all roses are flowers, and some flowers are red, then which statement is necessarily true?
A All roses are red
B Some roses are red
C No roses are red
D None of the above
Correct Answer:  D. None of the above
EXPLANATION

We cannot determine if roses are red from the given statements. Roses are flowers, but only 'some' flowers are red, not all. Therefore, we cannot make a definitive statement about roses being red.

Test
Four friends A, B, C, and D are sitting in a line. B is not at the end. C is between A and D. Who is sitting second?
A A or B
B C
C D
D Cannot be determined
Correct Answer:  B. C
EXPLANATION

Since C is between A and D, the arrangement must be A-C-D or D-C-A. B cannot be at the end, so B must be in position 2. Arrangements: A-B-C-D or D-C-B-A, but C must be between A and D. Only A-C-D arrangement works with B in position 2: This doesn't work. Actually: D-C-A-B or A-C-D-B or similar. C is definitely in a middle position.

Test
Which number should replace the question mark? 2, 6, 12, 20, 30, ?, 56
A 40
B 42
C 44
D 46
Correct Answer:  B. 42
EXPLANATION

The pattern is n(n+1): 1×2=2, 2×3=6, 3×4=12, 4×5=20, 5×6=30, 6×7=42, 7×8=56.

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