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Top 50 - Part 2
LOGICALREASONING

Top 50 - Part 2

Practice the middle 16 questions from the top 50 logical reasoning set with additional placement aptitude problems.


18. Figure Pattern

Observe:

Figure 1:  ●
Figure 2:  ●●
Figure 3:  ●●●
Figure 4:  ●●●●

How many dots should Figure 7 contain?

A) 5 B) 6 C) 7 D) 8

Answer: C) 7

Explanation:

The number of dots increases by 1 in every figure:

Figure 1 → 1 dot
Figure 2 → 2 dots
Figure 3 → 3 dots
Figure 4 → 4 dots
Figure 5 → 5 dots
Figure 6 → 6 dots
Figure 7 → 7 dots

Therefore:

Figure 7: ●●●●●●●

Answer: C) 7


19. Figure Pattern

Observe:

Figure 1:  ▲
Figure 2:  ▲▲
Figure 3:  ▲▲▲▲
Figure 4:  ▲▲▲▲▲▲▲▲

How many triangles should Figure 5 contain?

A) 10 B) 12 C) 16 D) 20

Answer: C) 16

Explanation:

The number of triangles doubles each time:

Figure 1 → 1
Figure 2 → 2
Figure 3 → 4
Figure 4 → 8

Therefore:

Figure 5
= 8 × 2
= 16

So:

▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲
▲ ▲ ▲ ▲ ▲ ▲ ▲ ▲

Answer: C) 16

Correction: The numerical answer is 16, which corresponds to C, not D.


20. Figure Matrix

Find the missing symbol:

┌────┬────┬────┐
│ ○  │ △  │ □  │
├────┼────┼────┤
│ △  │ □  │ ○  │
├────┼────┼────┤
│ □  │ ○  │ ?  │
└────┴────┴────┘

A) ○ B) △ C) □ D) ◇

Answer: B) △

Explanation:

Each row contains the three symbols:

○  △  □

The order shifts one position to the left in each row:

Row 1: ○  △  □
Row 2: △  □  ○
Row 3: □  ○  △

Therefore:

┌────┬────┬────┐
│ ○  │ △  │ □  │
├────┼────┼────┤
│ △  │ □  │ ○  │
├────┼────┼────┤
│ □  │ ○  │ △  │
└────┴────┴────┘

Answer: B) △


21. Figure Matrix

Find the missing symbol:

┌────┬────┬────┐
│ ▲  │ ■  │ ●  │
├────┼────┼────┤
│ ■  │ ●  │ ▲  │
├────┼────┼────┤
│ ●  │ ▲  │ ?  │
└────┴────┴────┘

A) ▲ B) ■ C) ● D) ◆

Answer: B) ■

Explanation:

The three symbols are:

▲  ■  ●

Each row shifts the symbols one position to the left:

Row 1: ▲  ■  ●
Row 2: ■  ●  ▲
Row 3: ●  ▲  ■

Therefore:

? = ■

Answer: B) ■


22. Mirror Image

A vertical mirror is placed on the right side of the word:

CAT

Which option represents its mirror image?

A) TAC B) CAT C) TCA D) ACT

Answer: A) TAC

Explanation:

A vertical mirror reverses the left-right order.

Original:

C  A  T

Mirror:

T  A  C

Therefore:

CAT → TAC

Answer: A) TAC

Note: In a real mirror-image question, the letters themselves are also laterally reversed. Since the options here are plain text, TAC represents the intended order reversal.


23. Mirror Image

A mirror is placed on the right side of:

12345

What will be the order seen in the mirror?

A) 54321 B) 12345 C) 21345 D) 15432

Answer: A) 54321

Explanation:

A vertical mirror reverses the order:

Original:

1  2  3  4  5
↓  ↓  ↓  ↓  ↓

Mirror:

5  4  3  2  1

Therefore:

Answer: A) 54321


24. Water Image

A horizontal mirror is placed below the letter:

P

Which type of transformation occurs?

A) Left-right reversal B) Top-bottom reversal C) No change D) Rotation by 90°

Answer: B) Top-bottom reversal

Explanation:

A water image is produced by a horizontal mirror.

Original
   P
   |
   | Horizontal mirror
   ───────────────
   |
 Reflected image

The top and bottom positions are reversed.

Vertical mirror → Left ↔ Right
Horizontal mirror → Top ↔ Bottom

Therefore, the answer is:

B) Top-bottom reversal


25. Paper Folding

A square sheet is folded once vertically and once horizontally.

Original:

+-------+
|       |
|       |
|       |
|       |
+-------+



Fold vertically:

+---+---+
|   |   |
|   |   |
|   |   |
|   |   |
+---+---+



Fold horizontally:

+---+
|   |
+---+
|   |
+---+

A hole is punched through the folded sheet.

How many holes will appear when the sheet is completely unfolded?

A) 2 B) 4 C) 6 D) 8

Answer: B) 4

Explanation:

The paper is folded twice:

First fold:
2 layers

Second fold:
2 × 2 = 4 layers

Therefore, one hole punched through the final folded paper will appear in 4 corresponding positions when unfolded.

Final unfolded paper:

+-------+
|   •   |
|       |
|       |
|   •   |
+-------+

Actually, the four positions are:

•       •
        
•       •

Therefore:

Number of holes = 4

Answer: B) 4


26. Paper Folding

A paper is folded once in half:

+---------+
|         |
|         |
+---------+



+----+
|    |
+----+
|    |
+----+

One hole is punched through the folded paper.

After unfolding, how many holes are visible?

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

Answer: B) 2

Explanation:

The paper is folded once:

Original paper

2 layers

A hole punched through both layers produces:

1 hole × 2 layers = 2 holes

After unfolding:

•       ← first layer
       
•       ← second layer

Therefore:

Answer: B) 2


27. Embedded Figure

Which option contains the small shape?

Target:

  /\
 /  \
/____\

A) A square B) A circle C) A triangle containing the same three connected sides D) A straight line

Answer: C) A triangle containing the same three connected sides

Explanation:

The target consists of three connected line segments forming a triangle:

  /\
 /  \
/____\

Therefore, the option containing the same connected triangular structure is:

C) A triangle containing the same three connected sides


28. Figure Rotation

A triangle points upward:

   /\
  /  \
 /____\

If it is rotated 180°, which is correct?

A)

   /\
  /  \
 /____\

B)

\____/
 \  /
  \/

C)

  |
 / \
/___\

D)

────
 \/

Answer: B

Explanation:

A 180° rotation turns the figure completely upside down.

Original:

   /\
  /  \
 /____\

After 180°:

\____/
 \  /
  \/

Therefore:

Answer: B


29. Figure Rotation

An arrow initially points right:

It is rotated 90° clockwise.

Which direction will it point?

A) ↑ B) ↓ C) ← D) →

Answer: B) ↓

Explanation:

A 90° clockwise rotation changes:

↑ → →
→ → ↓
↓ → ←
← → ↑

Therefore:


The arrow points down.

Answer: B) ↓


30. Cube Painting

A cube has all six faces painted and is divided into:

3 × 3 × 3 = 27

How many small cubes have paint on exactly one face?

A) 6 B) 8 C) 12 D) 24

Answer: A) 6

Explanation:

For a 3 × 3 × 3 cube, the cubes with exactly one painted face are the center cubes of each face.

Each face has:

3 × 3

The center is:

1 cube

There are 6 faces:

6 × 1 = 6

Therefore:

Answer: A) 6


31. Cube Painting

A cube is divided into:

4 × 4 × 4 = 64

How many small cubes have paint on exactly three faces?

A) 4 B) 6 C) 8 D) 12

Answer: C) 8

Explanation:

Cubes with exactly three painted faces are located at the 8 corners of the large cube.

        ●──────●
       /|     /|
      ●──────● |
      | ●────|─●
      |/     |/
      ●──────●

Every corner cube has three painted faces.

There are always:

8 corners

Therefore:

Answer: C) 8


32. Cube Counting

A large cube is divided into 3 × 3 × 3 smaller cubes.

How many smaller cubes are there in total?

A) 9 B) 18 C) 27 D) 36

Answer: C) 27

Explanation:

Multiply the number of divisions along each dimension:

3 × 3 × 3
= 9 × 3
= 27

Visual representation:

Layer 1:  3 × 3 = 9
Layer 2:  3 × 3 = 9
Layer 3:  3 × 3 = 9

Total = 9 + 9 + 9
      = 27

Therefore:

Answer: C) 27


33. Dice Position

Three faces of a die are visible:

        +-----+
       /  1  /|
      +-----+ |
      |  2  |3|
      +-----+/

If 1, 2 and 3 meet at one corner, which statement is definitely true?

A) 1 is opposite 2 B) 2 is opposite 3 C) 1, 2 and 3 are adjacent to one another D) 1 is opposite 3

Answer: C) 1, 2 and 3 are adjacent to one another

Explanation:

If three faces meet at the same corner, each face shares an edge with the other two.

Therefore:

        1
       / \
      /   \
     2─────3

This means:

1 ↔ 2   adjacent
1 ↔ 3   adjacent
2 ↔ 3   adjacent

Opposite faces cannot meet at the same corner.

Therefore:

Answer: C) 1, 2 and 3 are adjacent to one another


34. Dice Reasoning

A die has opposite faces:

1 ↔ 6
2 ↔ 5
3 ↔ 4

If the top face is 3, which number is on the bottom?

A) 1 B) 2 C) 4 D) 6

Answer: C) 4

Explanation:

The opposite pairs are given directly:

1 ↔ 6
2 ↔ 5
3 ↔ 4

Therefore:

Top    = 3
Bottom = 4

Answer: C) 4


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