Discussion of Question with ID = 111 under Statements-and-Conclusions

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Question

Statements: Some watch are LCD. No LCD is a laptop. Some fridges are watch. Some watch are laptops.

Conclusions:

  1. Some fridges are laptops.
  2. No LCD is a fridge.
  3. Laptops are either fridges or watch.
  4. No laptop is a fridge.
A

Only II follows.

B

Only IV follows.

C

Only either I or IV follows.

D

Only III follows.

Soln.
Ans: c

I and IV are mutually exclusive, i.e., one of them has to be true.


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