Reasoning MCQs

Instructions: Choose the answer that best fits the question.

1. Statement 1: All dogs are mammals.
   Statement 2: No cats are dogs.
   Therefore: All mammals are cats.
   (a) Statement 1 is true, Statement 2 is true, Conclusion is true.
   (b) Statement 1 is true, Statement 2 is true, Conclusion is false.
   (c) Statement 1 is true, Statement 2 is false, Conclusion is true.
   (d) Statement 1 is false, Statement 2 is true, Conclusion is true.
   Answer: (b)

2. In the following series, what number comes next: 2, 5, 9, 14, ...?
   (a) 17
   (b) 19
   (c) 20
   (d) 22
   Answer: (c) The series increases by adding consecutive odd numbers (3, 4, 5).

3. Which word does NOT belong in the following group?
   (a) Chair
   (b) Table
   (c) Sofa
   (d) Plate
   Answer: (d) All options except plate are furniture items.

4. If John is taller than Mary and Mary is taller than David, who is the shortest?
   (a) John
   (b) Mary
   (c) David
   (d) Cannot be determined
   Answer: (c) David is explicitly stated to be the shortest.

5. A clock strikes once at 1:00, twice at 2:00, and so on. How many times will it strike at 10:00?
   (a) 10
   (b) 9
   (c) 11
   (d) 12
   Answer: (a) The clock strikes the corresponding hour number.

6. If A = B and B = C, then which of the following MUST be true?
   (a) A > C
   (b) A < C
   (c) A = C
   (d) A ≠ C
   Answer: (c) If A and B are equal, and B and C are equal, then A must also be equal to C.

7. Find the odd one out:
   (a) Monday
   (b) Tuesday
   (c) Wednesday
   (d) Weekend
   Answer: (d) Weekend is not a day of the week.

8. In a code language, SUN is written as 213. How is MOON written in the same code?
   (a) 131514
   (b) 141513
   (c) 131415
   (d) 151413
   Answer: (a) Each letter corresponds to its position in the alphabet (S = 19, U = 21, N = 14).

9. If x + y = 10 and xy = 21, what is the value of x^2 + y^2?
   (a) 100
   (b) 121
   (c) 144
   (d) 169
   Answer: (d) We can use the square of a sum formula (x + y)^2 = x^2 + 2xy + y^2 and substitute the given values.

10. A train travels 200 km in 4 hours. What is the speed of the train in km/h?
    (a) 40
    (b) 50
    (c) 60
    (d) 80
    Answer: (c) Speed = Distance / Time, so speed = 200 km / 4 h = 50 km/h.