Question

All laptops are computers. Some computers are useful. Everything that is useful is precious.
X is a computer.
Which of the following statements necessarily follows ?

• A. All precious objects are useful
• B. If ‘X’ is useful, it must be a laptop.
• C. X must be precious.
• D. If ‘X’ is a useful laptop, it must be precious.

Answer 1

Answer: (D)

If ‘X’ is a useful laptop, it must be precious.

Answer 2

The correct option is (D): If ‘X’ is a useful laptop, it must be precious.