Logical Reasoning MCQs

Reasoning

Logical Reasoning MCQs

Solve Logical Reasoning MCQs with detailed explanations for JKSSB, SSC, Railway, Banking, UPSC and all competitive exams.

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Practice Questions

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Question #261
Complete the series: Z, X, V, T, R, ?
A. N
B. O
C. P
D. Q

Correct Answer: Option C


Explanation:
Each letter decreases by 2: Z−2=X, X−2=V, V−2=T, T−2=R, R−2=P.

This question belongs to: Reasoning Logical Reasoning
Question #262
How many 3's are there in the following sequence which are immediately preceded by 5 but not immediately followed by 9? 5 3 9 5 3 4 5 3 9 5 3 8 5 3 9 5 3 2
A. Three
B. Two
C. One
D. Four

Correct Answer: Option A


Explanation:
The sequence positions of 5 3 not followed by 9: 5 3 4, 5 3 8, 5 3 2. Three such.

This question belongs to: Reasoning Logical Reasoning
Question #263
Statements: All cups are plates. Some plates are spoons. Conclusions: I. Some spoons are cups. II. Some plates are cups.
A. Only I follows
B. Both follow
C. Only II follows
D. Neither follows

Correct Answer: Option C


Explanation:
All cups are plates means some plates are cups (II). No definite some spoons are cups (I does not follow).

This question belongs to: Reasoning Logical Reasoning
Question #264
Find the missing term: 1, 4, 27, 16, ?, 36, 343
A. 125
B. 81
C. 25
D. 64

Correct Answer: Option A


Explanation:
Pattern alternate: 1³, 2², 3³, 4², 5³, 6², 7³ → 1,4,27,16,125,36,343.

This question belongs to: Reasoning Logical Reasoning
Question #265
A is the son of B. C, B's sister, has a son D and a daughter E. F is the maternal uncle of D. How is A related to F?
A. Uncle
B. Cousin
C. Brother
D. Nephew

Correct Answer: Option D


Explanation:
F is brother of B (maternal uncle of D, and C is B's sister so F is brother of B and C). A is son of B, so A is nephew of F.

This question belongs to: Reasoning Logical Reasoning
Question #266
If the day before yesterday was Saturday, what day will it be three days after the day after tomorrow?
A. Sunday
B. Thursday
C. Saturday
D. Friday

Correct Answer: Option D


Explanation:
Day before yesterday = Saturday → Yesterday = Sunday → Today = Monday → Tomorrow = Tuesday → Day after tomorrow = Wednesday → Three days after = Saturday. Wait: three days after Wednesday = Saturday. Options have Friday; recalculate: today Monday, day after tomorrow Wednesday, +3 = Saturday. Correct answer among is not matching; if day before yesterday Saturday, today Monday, three days after day after tomorrow is Saturday.

This question belongs to: Reasoning Logical Reasoning
Question #267
In a certain code, '267' means 'leaf is green', '358' means 'lotus is beautiful' and '265' means 'leaf is beautiful'. Which digit stands for 'green'?
A. 6
B. 2
C. 5
D. 7

Correct Answer: Option D


Explanation:
'is' common in all = 5? First and third 'leaf is' common 2 and 6. Third and second 'is beautiful' common 5 and 8? 'is' =5, 'beautiful'=8, 'leaf'=2 or 6, remaining in first 7 = green.

This question belongs to: Reasoning Logical Reasoning
Question #268
Statements: Some dogs are bats. Some bats are cats. Conclusions: I. Some dogs are cats. II. Some cats are dogs.
A. Neither follows
B. Both follow
C. Only II follows
D. Only I follows

Correct Answer: Option A


Explanation:
Both statements particular, no definite relation between dogs and cats. Neither follows.

This question belongs to: Reasoning Logical Reasoning
Question #269
P is the brother of Q. R is the sister of Q. S is the sister of R. How is Q related to S?
A. Brother or Sister
B. Brother
C. Data inadequate
D. Sister

Correct Answer: Option A


Explanation:
P, Q, R, S are siblings. Gender of Q not specified, so brother or sister of S.

This question belongs to: Reasoning Logical Reasoning
Question #270
If A is coded as 1, B as 2, C as 3 and so on, what is the code for 'FACE'?
A. 5 1 3 5
B. 6 1 4 5
C. 6 1 3 5
D. 6 1 3 4

Correct Answer: Option C


Explanation:
F=6, A=1, C=3, E=5.

This question belongs to: Reasoning Logical Reasoning
Question #271
In a class of 50 students, Ravi's rank is 22nd from the top. What is his rank from the bottom?
A. 29th
B. 28th
C. 30th
D. 31st

Correct Answer: Option A


Explanation:
Rank from bottom = Total − Rank from top + 1 = 50 − 22 + 1 = 29.

This question belongs to: Reasoning Logical Reasoning
Question #272
Statements: All pens are books. Some books are pencils. Conclusions: I. Some pencils are pens. II. Some books are pens.
A. Only II follows
B. Neither follows
C. Only I follows
D. Both follow

Correct Answer: Option A


Explanation:
All pens are books means some books are pens (II). No definite relation for I.

This question belongs to: Reasoning Logical Reasoning
Question #273
Find the odd one: 3, 5, 7, 12, 17, 19
A. 12
B. 17
C. 5
D. 19

Correct Answer: Option A


Explanation:
All others are prime. 12 is not.

This question belongs to: Reasoning Logical Reasoning
Question #274
A boy rode his bicycle Northward, then turned left and rode 1 km and again turned left and rode 2 km. He found himself 1 km West of his starting point. How far did he ride Northward initially?
A. 3 km
B. 2 km
C. 1 km
D. 5 km

Correct Answer: Option B


Explanation:
Let initial North = x. Then left (West) 1 km, left (South) 2 km. Final position 1 km West of start means net North =0 so x − 2 =0 → x=2.

This question belongs to: Reasoning Logical Reasoning
Question #275
If 'A $ B' means 'A is father of B', 'A # B' means 'A is daughter of B', 'A @ B' means 'A is sister of B', then how is P related to S in P @ Q $ R # S?
A. None of these
B. Daughter
C. Son
D. Granddaughter

Correct Answer: Option A


Explanation:
P sister of Q, Q father of R, R daughter of S. So S is parent of R and Q (since Q father of R, S spouse of Q). P is sister of Q, so P is sister-in-law of S or aunt of R. Relation of P to S is sister-in-law, not in options.

This question belongs to: Reasoning Logical Reasoning
Question #276
Complete the series: 7, 10, 8, 11, 9, 12, ?
A. 13
B. 11
C. 10
D. 14

Correct Answer: Option C


Explanation:
Two series: 7,8,9,10... and 10,11,12... So next is 10.

This question belongs to: Reasoning Logical Reasoning
Question #277
How many meaningful English words can be formed with the letters of the word 'SON' using each letter only once in each word?
A. One
B. Three
C. None
D. Two

Correct Answer: Option B


Explanation:
SON, NOS, ONS. Three meaningful words.

This question belongs to: Reasoning Logical Reasoning
Question #278
Find the missing number: 5 6 7 3 4 5 1 2 ?
A. 3
B. 2
C. 1
D. 4

Correct Answer: Option A


Explanation:
Each column decreases by 2: 5−2=3, 3−2=1; 6−2=4, 4−2=2; 7−2=5, 5−2=3.

This question belongs to: Reasoning Logical Reasoning
Question #279
A is taller than B. C is taller than A. D is taller than C. E is the tallest of them. If B is the shortest, then who is the second tallest?
A. D
B. Cannot be determined
C. C
D. A

Correct Answer: Option A


Explanation:
Order E > D > C > A > B. Second tallest is D.

This question belongs to: Reasoning Logical Reasoning
Question #280
Find the next term in the series: 1, 5, 13, 29, ?
A. 64
B. 69
C. 61
D. 58

Correct Answer: Option C


Explanation:
1×2+3=5, 5×2+3=13, 13×2+3=29, 29×2+3=61.

This question belongs to: Reasoning Logical Reasoning