Logical Connectives problems
- 1. Either Sam is ill, or he is drunk.
A. Sam is ill.
B. Sam is not ill.
C. Sam is drunk.
D. Sam is not drunk.
Options- A. AB
- B. DA
- C. AC
- D. CD Discuss
Correct Answer: DA
Explanation:
Sam is not drunk, so he must be ill.
- 2. Whenever Ram hears of a tragedy, he loses sleep.
A. Ram heard of a tragedy.
B. Ram did not hear of a tragedy.
C. Ram lost sleep.
D. Ram did not lose sleep.
Options- A. CA
- B. BD
- C. DB
- D. AD Discuss
Correct Answer: DB
Explanation:
As Ram did not lose sleep, means he did not hear of the tragedy.
- 3. Either the train is late, or it has derailed.
A. The train is late.
B. The train is not late.
C.The train is derailed.
D. The train is not derailed.
Options- A. AB
- B. DB
- C. CA
- D. BC Discuss
Correct Answer: BC
Explanation:
The train is not late, so it must have derailed.
- 4. When I read a horror story I have a nightmare.
A. I read a story.
B. I did not read a horror story.
C. I did not have a nightmare.
D. I had a nightmare.
Options- A. CB
- B. AD
- C. BC
- D. AC Discuss
Correct Answer: CB
Explanation:
I did not have a nightmare, so I must not have read a horror story.
- 5. When I eat berries I get rashes.
A. I ate berries.
B. I did not get rashes.
C. I did not eat berries.
D. I got rashes.
Options- A. DA
- B. BC
- C. CB
- D. None of these Discuss
Correct Answer: BC
Explanation:
I did not get rashes which means I did not eat berries.
- 6. Either Sita is sick or she is careless.
A. Sita is not sick.
B. Sita is not careless.
C. Sita is sick..
D. Sita is careless.
Options- A. AB
- B. AD
- C. BA
- D. DA Discuss
Correct Answer: AD
Explanation:
If Sita is not sick, means she is careless.
- 7. Ram gets a swollen nose whenever he eats hamburgers.
A. Ram gets a swollen nose.
B. Ram does not eat hamburgers.
C. Ram does not get a swollen nose.
D. Ram eats hamburgers.
Options- A. AB
- B. DC
- C. AC
- D. BC Discuss
Correct Answer: BC
Explanation:
Ram does not eat hamburgers, means he does not get a swollen nose.
- 8. Either the employees have no confidence in the management or they are hostile by nature.
A. They are not hostile by nature.
B. They are hostile by nature.
C. They have confidence in the management.
D. They have no confidence in the management.
Options- A. BA
- B. CB
- C. DA
- D. BD Discuss
Correct Answer: CB
Explanation:
If the employees have confidence in the management, it follows that they are hostile.
- 9. Whenever Ram reads late into the night, his father beats him.
A. His father does not beat Ram.
B. Ram reads late into the night.
C. Ram reads early in the morning.
D. Ram's father beats him in the morning.
Options- A. CD
- B. BD
- C. AB
- D. None of these Discuss
Correct Answer: None of these
Explanation:
None of the given options relates logically to the given statements.
- 10. All irresponsible parents shout if their children do not cavort.
A. All irresponsible parents do not shout.
B. Children cavort.
C. Children do not cavort.
D. All irresponsible parents shout.
Options- A. AB
- B. BA
- C. CA
- D. All of these Discuss
Correct Answer: AB
Explanation:
As all irresponsible parents do not shout, it follows that the children cavort.
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