Puzzles & Problem Solving

114 questions available

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Showing 81–100 of 114

Q81.Which quadrant completes the clockwise rotating curves pattern?

Medium
A Option 1
B Option 2
C Option 3
D Option 4
Analytical Puzzles PPSC

Correct Answer: D

Option 4 follows the clockwise rotation sequence of the curves.

Q82.Which of the following country anagrams, when unscrambled, does NOT belong to Asia?

Medium
A RODJNA
B AAAMILYS
C Czechoslovakia
D AIDNI
Word Puzzles PPSC

Correct Answer: C

RODJNA = JORDAN (Asia), AAAMILYS = MALAYSIA (Asia), AIDNI = INDIA (Asia). Czechoslovakia is in Europe.

Q83.If 2 / ? = ? / 50, what number will fill both question marks?

Medium
A 5
B ±10
C √100
D √2500
Problem Solving PPSC

Correct Answer: B

2/x = x/50 => x² = 100 => x = ±10.

Q84.Two numbers whose sum is 67 and difference is 3 are?

Medium
A 34 and 56
B 6 and 15
C 33 and 34
D 32 and 35
Problem Solving PPSC

Correct Answer: D

x + y = 67 and x - y = 3. Adding equations: 2x = 70 => x = 35. Then y = 32. The numbers are 32 and 35.

Q85.Which gear type is specifically designed to transfer rotational power at a 90-degree angle?

Medium
A Spur Gear
B Bevel Gear
C Helical Gear
D None of above
Problem Solving PPSC

Correct Answer: B

Bevel gears are specifically cut to connect intersecting shafts at a 90-degree angle.

Q86.Find the additive inverse of the matrix [ -5 8 ] [ 6 -2 ]

Medium
A [ 5 -8 ] [ -6 2 ]
B [ -5 -8 ] [ -6 -2 ]
C [ 5 8 ] [ 6 2 ]
D [ -5 8 ] [ 6 2 ]
Problem Solving PPSC

Correct Answer: A

Additive inverse -A is obtained by negating each element: -(-5)=5, -(8)=-8, -(6)=-6, -(-2)=2.

Q87.Ali's mental age is 12, whereas his chronological age is 10. What would be his intelligence quotient (IQ)?

Medium
A 100
B 110
C 120
D 130
Problem Solving PPSC

Correct Answer: C

IQ = (Mental Age / Chronological Age) * 100 = (12 / 10) * 100 = 120.

Q88.Arrange in the correct sequence: (1) Marriage registration, (2) Proposal, (3) Engagement, (4) Marriage.

Medium
A Engagement, Proposal, Marriage, Marriage registration
B Proposal, Engagement, Marriage, Marriage registration
C Proposal, Engagement, Marriage registration, Marriage
D All of these
Problem Solving PPSC

Correct Answer: B

The logical and cultural progression is: Proposal -> Engagement -> Marriage -> Marriage registration.

Q89.Which letter comes twice in CLEVER and only once in COME?

Medium
A C
B E
C R
D M
Word Puzzles PPSC

Correct Answer: B

The letter 'E' appears twice in CLEVER (C-L-E-V-E-R) and only once in COME (C-O-M-E).

Q90.Waqas is taller than Rabail but shorter than Javed. Shahid is the shortest. Dawood is taller than Shahid but shorter than Rohil. Who is the tallest?

Medium
A Javed
B Rabail
C Dawood
D None of these
Problem Solving PPSC

Correct Answer: A

Height order: Shahid < Dawood < Rohil < Waqas < Rabail < Javed. Javed is clearly the tallest.

Q91.On a panel with switches A, B, and C: If only A is on, turn B on. If only A & B are on, turn C on. If all three are on, turn C off. If A is off in the second setting, what was the initial setting?

Medium
A A on, B on, C on
B A on, B on, C off
C A on, B off, C on
D A on, B off, C off
Problem Solving PPSC

Correct Answer: C

For initial setting 'A on, B off, C on' (which is 'any other setting'), we turn on off and off on, flipping A to off.

Q92.Identify the odd non-verbal figure out of a set containing pairs of circles and triangles.

Medium
A Figure A
B Figure B
C Figure C
D Figure D
Analytical Puzzles PPSC

Correct Answer: D

All figures maintain matched symmetry of circles and triangles in pairs, except for Figure D.

Q93.On a panel with switches A, B, C: If only A & B are on, turn C on. If all are on, turn C off. If all three are on in the second setting, what was the initial setting?

Medium
A A on, B on, C on
B A on, B on, C off
C A on, B off, C on
D None of these
Problem Solving PPSC

Correct Answer: B

If initial is 'A on, B on, C off', the rule says turn on C, resulting in all three being on.

Q94.Six racers (R, S, T, U, V, W) compete: S does not win. Only 2 racers separate V and U. R is behind U and V. S is ahead of V, with 1 racer intervening. W is ahead of U. How many racers separate R and W?

Medium
A 1
B 2
C 3
D 4
Problem Solving PPSC

Correct Answer: D

Solving the conditions gives the unique order: W, U, S, T, V, R. The number of racers separating W (1st) and R (6th) is 4.

Q95.Five films A, B, C, D, E are shown: A is shown earlier than C. B is shown earlier than D. E is not shown 5th. What is an acceptable order?

Medium
A A, C, B, D, E
B A, C, D, E, B
C B, D, C, A, E
D B, D, E, A, C
Problem Solving PPSC

Correct Answer: D

Option D satisfies all conditions: B is before D, A is before C, and E (3rd) is not 5th.

Q96.What letter comes alphabetically first in the word MOTHER?

Medium
A E
B H
C M
D R
Word Puzzles PPSC

Correct Answer: A

Sorting the letters of MOTHER alphabetically gives E, H, M, O, R, T. The first letter is E.

Q97.In a row of trees, one tree is fifth from either end. How many trees are in the row?

Medium
A 8
B 9
C 10
D 11
Logical Puzzles PPSC

Correct Answer: B

The tree has 4 trees to its left and 4 trees to its right. Total = 4 + 1 + 4 = 9.

Q98.In a row of 21 girls, when Maryam shifted 4 places right, she became 12th from the left. What was her earlier position from the right?

Medium
A 9th
B 10th
C 11th
D 14th
Logical Puzzles PPSC

Correct Answer: D

Her new position is 12th from left, so her original position was 12 - 4 = 8th from left. From the right: 21 - 8 + 1 = 14th.

Q99.Saqib ranks 7th from the top and 28th from the bottom in a class. How many students are in the class?

Medium
A 37
B 36
C 35
D 34
Logical Puzzles PPSC

Correct Answer: D

Total students = Top rank + Bottom rank - 1 = 7 + 28 - 1 = 34.

Q100.Jabbar ranks 16th from the top and 49th from the bottom in a class. How many students are in the class?

Medium
A 64
B 65
C 66
D 67
Logical Puzzles PPSC

Correct Answer: A

Total students = Top rank + Bottom rank - 1 = 16 + 49 - 1 = 64.