Logical Deduction problems
- 1. How many meaningful English words can be made with the letters 'NWTI' using each letter only once in each word?
Options- A. One
- B. Two
- C. None
- D. Three Discuss
Correct Answer: One
Explanation:
Only one meaningful English word can be formed with NWTI is TWIN.
- 2. Select the letter that complete the first word and begin the second from the given alternatives.
PLAT (?) ATION
Options- A. TENT
- B. FORM
- C. TERR
- D. EAU Discuss
Correct Answer: FORM
Explanation:
'FORM' completes the first word as PLATFORM and begin the second.
- 3. How many meaningful English words can be made with the letters 'ALEP' using each letter only once in each word?
Options- A. None
- B. One
- C. Two
- D. Three Discuss
Correct Answer: Three
Explanation:
Only three words can be formed PEAL, PALE, LEAP .
- 4. What is the last letter of the word which is formed by rearranging the following letters?
C P A O E C K (a bird)
Options- A. E
- B. K
- C. P
- D. C Discuss
Correct Answer: K
Explanation:
The name of the words bird is PEACOCK and the last letter is K. (PEACOCK)
- 5. The letters of the word NUMKIPP' are disorder. If they are arranged in proper order, the name of a vegetable is formed. What is the last letter of the word so formed?
Options- A. K
- B. M
- C. N
- D. P Discuss
Correct Answer: N
Explanation:
The name of that vegetable would be 'PUMPKIN' and last letter of the word is N.
- 6. if you eat green vegetables, you do not need vitamin shots.
(i) You need vitamin shots.
(ii) You do not need vitamin shots.
(iii) You ate green vegetables.
(iv) You do not eat green vegetables.
Options- A. (i) (iv)
- B. (iv) (i)
- C. Only (i)
- D. Both (i) and (ii) Discuss
Correct Answer: Only (i)
Explanation:
The statement is of the type 'if A then B, if not B then not A' where A is 'eat green vegetables' and B is 'do not need vitamin shots'.
- 7. Whenever Nikki eats aloo patty burger, she loses appetite.
(i) Nikki ate aloo patty burger.
(ii) She does not eat.
(iii) She did not lose appetite.
(iv) Nikki ate cheese burger.
Options- A. (i) (ii)
- B. (iii) (iv)
- C. (iv) (ii)
- D. None Discuss
Correct Answer: (iii) (iv)
Explanation:
The statement is of the type 'when A then B, when not B then not A' where A is 'eats aloo patty burger' and B is 'loses appetite.'
- 8. Either there is no food or there are no customers.
(i) There is no food.
(ii) There are no customers.
(iii) There is food.
(iv) There are customers.
Options- A. (i) (iv)
- B. (i) (ii)
- C. (iii) (ii)
- D. (ii) (iii) Discuss
Correct Answer: (i) (iv)
Explanation:
The statement is of the type 'either A or B'.
- 9. He works at the farm only when his father asks him politely .
(i) He worked at the farm.
(ii) His father asked him politely.
(iii) He worked at home .
(iv) His father did not ask him politely
Options- A. (i) (ii)
- B. (ii) (i)
- C. (iii) (iv)
- D. (iii) (ii) Discuss
Correct Answer: (i) (ii)
Explanation:
The statement has the connective 'only' and it does not imply that he will at the farm 'every time' his father asks him politely.
- 10. He wears a jacket only when she goes to a party.
(i) She did not go to a party.
(ii) She went to a party
(iii) He wore a jacket.
(iv) He did not wear a jacket.
Options- A. (ii) (iii)
- B. (i) (iv)
- C. (iii) (i)
- D. (iv) (i) Discuss
Correct Answer: (i) (iv)
Explanation:
The statement has the logical connective 'only' and it does not imply that he will wear a jacket whenever he goes to a party.
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