Quiz: QZ-20251027-86872

Quiz Details

QZ-20251027-86872

Topics:

Logical Reasoning

Difficulty: Level 4 - Hard

Questions: 20

Generated: October 27, 2025 at 12:21 PM

Generated by: Guest User

Instructions: Select an answer for each question and click "Check Answer" to see if you're correct. Then view the explanation to learn more!

1 If all bloops are razzies and all razzies are lazzies, which of the following is true?

A) Some lazzies are bloops.

B) No lazzies are bloops.

C) All lazzies are bloops.

D) All bloops are lazzies.

Correct Answer: D
Explanation: Since all bloops are razzies and all razzies are lazzies, it logically follows that all bloops are also lazzies.

2 A is taller than B. C is shorter than B. Which statement is necessarily true?

A) B is taller than C.

B) C is taller than A.

C) B is shorter than A.

D) A is shorter than C.

Correct Answer: A
Explanation: Since A is taller than B, and C is shorter than B, it follows that B is taller than C.

3 In a certain code, 'CAT' is written as '3120'. How is 'DOG' written in that code?

A) 4154

B) 4157

C) 4150

D) 4160

Correct Answer: B
Explanation: 'CAT' is coded by taking the position of each letter in the alphabet (C=3, A=1, T=20) and writing them together. Thus, 'DOG' (D=4, O=15, G=7) would be coded as '4157'.

4 If it is raining, then the ground is wet. It is not raining. What can we conclude?

A) The ground is wet.

B) It depends on other factors.

C) The ground might be wet.

D) The ground is not wet.

Correct Answer: D
Explanation: The statement indicates that if it is raining, the ground gets wet. Since it is not raining, we can conclude that the ground is not necessarily wet.

5 If 'A' is older than 'B' and 'B' is older than 'C', which of the following can be logically inferred?

A) C is older than A.

B) C is younger than A.

C) B is younger than A.

D) A is younger than C.

Correct Answer: B
Explanation: Since A is older than B and B is older than C, it follows that C is younger than A.

6 If all flowers are plants and some plants are trees, which of the following is true?

A) All trees are flowers.

B) No flowers are trees.

C) All flowers are plants.

D) Some flowers are trees.

Correct Answer: C
Explanation: The statement confirms that all flowers are indeed plants, regardless of the relationship with trees.

7 A certain number is multiplied by 3 and then 6 is added to the result, yielding 27. What is the number?

A) 7

B) 8

C) 6

D) 9

Correct Answer:
Explanation: Let the number be x. The equation is 3x + 6 = 27. Solving gives x = 7.

8 In a family of six members A, B, C, D, E, and F, there are two males and four females. If A is a male, who among the following is a male?

A) B

B) D

C) C

D) E

Correct Answer: A
Explanation: Since there are only two males and A is one of them, B must be the other male.

9 If every square is a rectangle and every rectangle is a quadrilateral, which of the following is true?

A) Every quadrilateral is a square.

B) All rectangles are squares.

C) No quadrilateral is a square.

D) Some rectangles are not squares.

Correct Answer: D
Explanation: While all squares are rectangles, not all rectangles are squares, thus some rectangles can be non-square.

10 A train leaves a station at 3 PM traveling at 60 km/h. Another train leaves the same station at 4 PM traveling at 90 km/h. At what time will the second train catch up to the first?

A) 6 PM

B) 8 PM

C) 5 PM

D) 7 PM

Correct Answer: A
Explanation: The first train has a head start of 1 hour and travels 60 km in that hour. The second train closes the gap at a rate of 30 km/h (90-60), thus catching up in 2 hours at 6 PM.

11 If three cats can catch three mice in three minutes, how many cats are needed to catch 100 mice in 50 minutes?

A) 20

B) 50

C) 30

D) 10

Correct Answer: A
Explanation: If three cats catch three mice in three minutes, one cat catches one mouse in three minutes. Therefore, to catch 100 mice in 50 minutes, we need 20 cats.

12 If 5x + 3 = 23, what is the value of x?

A) 4

B) 3

C) 5

D) 6

Correct Answer: A
Explanation: Subtract 3 from both sides to get 5x = 20, then divide by 5 to find x = 4.

13 If some A are B and some B are C, which of the following must be true?

A) Some A are C.

B) No A are C.

C) Some B are A.

D) Some C are A.

Correct Answer: C
Explanation: The premise allows for some overlap between A and B, which guarantees that some B are also A.

14 At a party, there are twice as many women as men. If there are 30 women, how many men are there?

A) 25

B) 10

C) 15

D) 20

Correct Answer: B
Explanation: If there are 30 women, then the number of men would be half that, which is 15.

15 In a coded language, 'WINDOW' is written as 'XQNGTA'. How will 'DOOR' be written in that language?

A) FQQS

B) FQQT

C) FQOT

D) FQQR

Correct Answer: B
Explanation: The coding shifts each letter by a certain number in the alphabet. Following the same pattern for 'DOOR' results in 'FQQT'.

16 If a triangle has sides of lengths 3, 4, and 5, what type of triangle is it?

A) Obtuse triangle

B) Acute triangle

C) Right triangle

D) Scalene triangle

Correct Answer: C
Explanation: A triangle with sides 3, 4, and 5 satisfies the Pythagorean theorem, thus it is a right triangle.

17 A certain number is increased by 20% and then decreased by 20%. What is the net change in percentage?

A) 4% increase

B) No change

C) 4% decrease

D) 2% decrease

Correct Answer: C
Explanation: Increasing by 20% then decreasing by 20% results in a net decrease of 4%, due to the base changing after the first operation.

18 If the ratio of boys to girls in a class is 3:4 and there are 28 girls, how many boys are there?

A) 24

B) 18

C) 14

D) 21

Correct Answer: D
Explanation: If the ratio of boys to girls is 3:4 and there are 28 girls, then the number of boys can be calculated as (3/4) * 28 = 21.

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