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- Question
- Either Susmit is happy or he met his girlfriend.
(i) Susmit is happy
(ii) Susmit is sad
(iii) Susmit met his girlfriend
(iv) Susmit didn't meet his girlfriend.
Options- A. (i) and (iv)
- B. (ii) and (iii)
- C. (iv) and (i)
- D. None of these
- Correct Answer
- (iv) and (i)
ExplanationThe correct conclusion should be:
Susmit is sad that means he met with his girlfriend[ii and iii]
Susmit didn't meet his girlfriend so he must be happy [iv and i] - 1. Mobile is charged, if power is off.
(i) mobile is charged
(ii) mobile is not charged
(iii) power is off
(iv) power is not off
Options- A. (i) and (iv)
- B. (ii) and (iii)
- C. (iv) and (i)
- D. None of these Discuss
- 2. Unless you study, you can not crack CAT
(i) you cracked CAT
(ii) You could not crack CAT
(iii) You did study
(iv) you didn't study
Options- A. (i) and (iv)
- B. (ii) and (iii)
- C. (iv) and (i)
- D. None of these Discuss
- 3. Either CAT is tough or IIT JEE is easy
(i) CAT is tough
(ii) CAT is Easy
(iii) IIT JEE is easy
(iv) IIT JEE is tough.
Options- A. (ii) and (iii)
- B. (ii) and (iv)
- C. (iii) and (iv)
- D. None of these Discuss
- 4. The teacher gives a break, only if students are exhausted.
(i) The teacher gives break
(ii) The teacher did not give a break
(iii) Students are not exhausted
(iv) Students are exhausted
Options- A. (i) and (iii)
- B. (i) and (iv)
- C. (ii) and (iv)
- D. None of these Discuss
- 5. Ram will either buy a Car or a Flat which one of the following can be concluded from this?
Options- A. Ram bought a Flat so he will not buy a car.
- B. Ram bought a Car so he will not buy a Flat.
- C. Ram did not bought Car so he must have bought Flat.
- D. None of these Discuss
- 6. Unless boss is present employees don't work
(i) Boss is present
(ii) Boss is not present
(iii) Employee work
(iv) Employee don't work
Options- A. (i) and (iv)
- B. (ii) and (iv)
- C. (iv) and (i)
- D. None of these Discuss
- 7. If you don't save money you will not get reward.
(i) You saved money
(ii) you didn't save money
(iii) you got reward
(iv) you didn't get reward
Options- A. (i) and (iv)
- B. (ii) and (iii)
- C. (iii) and (i)
- D. None of these Discuss
- 8. 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
- 9. 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
- 10. 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
Logical Connectives problems
Search Results
Correct Answer: None of these
Explanation:
correct combination is (i) and (iii) and also (iv) and (ii)
Correct Answer: (ii) and (iii)
Explanation:
This is the case of "unless X, Y" so in this case negation of one statement will be followed by other statement.
Correct Answer: (ii) and (iii)
Explanation:
This is the case of either X or Y the conclusion should be:
CAT is not tough (means Easy) then IIT JEE is Easy [as given in ii and iii)
IIT JEE is tough then CAT is tough [ as given in iv and i]
Correct Answer: (i) and (iv)
Explanation:
The conclusion can be: The teacher gives break means Students are exhausted (as given in i and iv) Students are not exhausted hence teacher will not give a break (as given in ii and iii)
Correct Answer: Ram did not bought Car so he must have bought Flat.
Explanation:
It is the case of "Either X or Y" hence (~ X ? Y) and (~ Y ? X) hence option (C) is correct.
Correct Answer: (ii) and (iv)
Explanation:
It is the case of "Unless X , Y" the conclusion is:
Boss is not present means employees don't work. [ii and iv]
Employee work means boss is present. [iii and i]
Correct Answer: (iii) and (i)
Explanation:
This is the case of If X then Y the conclusion should be:
You don't saved money means you will not get reward. [ii and iv]
You got reward means you saved money. [iii and i]
Correct Answer: DA
Explanation:
Sam is not drunk, so he must be ill.
Correct Answer: DB
Explanation:
As Ram did not lose sleep, means he did not hear of the tragedy.
Correct Answer: BC
Explanation:
The train is not late, so it must have derailed.
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