Logical Reasoning for Competitive Exam Success

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Logical Reasoning

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Logical Reasoning MCQ & Objective Questions

Logical reasoning is a crucial skill that plays a significant role in various exams. Mastering logical reasoning can enhance your problem-solving abilities and boost your confidence during tests. Practicing MCQs and objective questions in this area not only helps in understanding concepts but also prepares you to tackle important questions effectively, leading to better scores in your exams.

What You Will Practise Here

Analytical reasoning techniques
Logical sequences and patterns
Deductive and inductive reasoning
Critical thinking and argument analysis
Data interpretation and logical puzzles
Venn diagrams and their applications
Common logical fallacies and how to avoid them

Exam Relevance

Logical reasoning is a vital component in various examinations, including CBSE, State Boards, NEET, and JEE. In these exams, you can expect questions that assess your ability to analyze information, draw conclusions, and solve problems logically. Common question patterns include identifying logical relationships, solving puzzles, and interpreting data, making it essential to practice logical reasoning MCQ questions to excel.

Common Mistakes Students Make

Overlooking key details in the questions
Confusing similar logical patterns
Rushing through problems without careful analysis
Neglecting to practice with a variety of question types

FAQs

Question: What are some effective strategies for solving logical reasoning MCQs?
Answer: Break down the question, identify keywords, and eliminate clearly wrong options to improve your chances of selecting the correct answer.

Question: How can I improve my logical reasoning skills?
Answer: Regular practice with logical reasoning objective questions and reviewing explanations for both correct and incorrect answers can significantly enhance your skills.

Start your journey towards mastering logical reasoning today! Solve practice MCQs to test your understanding and boost your exam preparation. Remember, consistent practice is the key to success!

Analogies Analyzing Arguments Artificial Language Cause and Effect Course of Action Essential Part Letter and Symbol Series Logical Deduction Logical Games Logical Problems Making Judgments Matching Definitions Number Series Statement and Argument Statement and Assumption Statement and Conclusion Theme Detection Verbal Classification Verbal Reasoning

Q. In a certain code language, 'DOG' is written as '7', 'CAT' is written as '6'. How is 'MOUSE' written?

A. 10
B. 11
C. 12
D. 13

Solution

The code is the number of letters in the word plus the number of vowels. 'MOUSE' has 6 letters and 3 vowels, so 6 + 3 = 9.

Correct Answer: C — 12

Q. In a certain code language, 'DOG' is written as '7', 'CAT' is written as '6'. What is the code for 'MOUSE'?

A. 8
B. 9
C. 10
D. 11

Solution

The code is the number of letters in the word plus the number of vowels. 'MOUSE' has 6 letters and 3 vowels, so 6 + 3 = 9.

Correct Answer: C — 10

Q. In a certain code language, 'FISH' is coded as 'GJTI'. How is 'BIRD' coded in the same language?

A. CJSF
B. CJSI
C. CJTJ
D. CJSK

Solution

Each letter is shifted by +1. B->C, I->J, R->S, D->F.

Correct Answer: A — CJSF

Q. In a certain code language, 'FISH' is written as 'GJTI'. How is 'BIRD' written in that language?

A. CJSF
B. CJSI
C. CJTJ
D. CJSK

Solution

Each letter is shifted by +1. B+1=C, I+1=J, R+1=S, D+1=F. So, BIRD is CJSF.

Correct Answer: A — CJSF

Q. In a certain code language, if 'FISH' is coded as 'GJTI', how is 'BIRD' coded?

A. CJSF
B. CJSI
C. CJTJ
D. CJSK

Solution

Each letter in 'FISH' is shifted by +1 to get 'GJTI'. Similarly, 'BIRD' becomes 'CJSF'.

Correct Answer: A — CJSF

Q. In a certain code, '123' is 'ABC', '456' is 'DEF'. What is '123456'?

A. ABCDEF
B. DEFABC
C. ABCD
D. EFGH

Solution

'123456' combines both codes, resulting in 'ABCDEF'.

Correct Answer: A — ABCDEF

Q. In a certain code, '123' is coded as '321'. How would '456' be coded?

A. 654
B. 645
C. 546
D. 465

Solution

The code reverses the order of the digits, so '456' becomes '654'.

Correct Answer: A — 654

Q. In a certain code, '123' is to '321' as '456' is to what?

A. 654
B. 543
C. 432
D. 321

Solution

The code reverses the digits, so '456' becomes '654'.

Correct Answer: A — 654

Q. In a certain code, '123' is written as 'CBA'. How is '456' written in that code?

A. FED
B. EFD
C. DFE
D. DFF

Solution

The code reverses the order of the numbers: 1->A, 2->B, 3->C. Thus, 4->D, 5->E, 6->F, so 456 is FED.

Correct Answer: A — FED

Q. In a certain code, '123' is written as 'CBA'. How is '456' written?

A. FED
B. EFD
C. DEF
D. DFE

Solution

The code corresponds to the reverse of the numbers: 1->A, 2->B, 3->C. Thus, 4->D, 5->E, 6->F gives 'FED'.

Correct Answer: A — FED

Q. In a certain code, '123' is written as 'CBA'. How would '456' be coded?

A. FED
B. EFD
C. DEF
D. DCE

Solution

1=Z, 2=Y, 3=X; thus, 4=W, 5=V, 6=U. Therefore, 456 = FED.

Correct Answer: A — FED

Q. In a certain code, '123' means 'cat', '456' means 'dog', and '123456' means 'cat dog'. What does '456123' mean?

A. dog cat
B. cat dog
C. dog
D. cat

Solution

The order of numbers indicates the order of words. '456123' translates to 'dog cat'.

Correct Answer: A — dog cat

Q. In a certain code, '123' means 'CAT', '456' means 'DOG', and '123456' means?

A. CATDOG
B. DOGCAT
C. CAT AND DOG
D. DOG AND CAT

Solution

'123456' combines both codes; thus it means CATDOG.

Correct Answer: A — CATDOG

Q. In a certain code, 'APPLE' is written as 'BQQMF'. How is 'ORANGE' written?

A. PSBHF
B. PSBHG
C. PSBHE
D. PSBHD

Solution

Each letter is shifted forward by 1. 'ORANGE' becomes 'PSBHF'.

Correct Answer: A — PSBHF

Q. In a certain code, 'CAT' is written as '3120'. How is 'DOG' written in that code?

A. 4157
B. 4150
C. 3140
D. 3147

Solution

'C' is the 3rd letter, 'A' is the 1st, 'T' is the 20th, so 'D' is 4, 'O' is 15, 'G' is 7, thus 'DOG' is '4157'.

Correct Answer: A — 4157

Q. In a certain code, 'CAT' is written as '3120'. How is 'DOG' written in the same code?

A. 4157
B. 4156
C. 4167
D. 4168

Solution

The code assigns numbers based on the position of letters in the alphabet: C=3, A=1, T=20. Thus, D=4, O=15, G=7 gives '4157'.

Correct Answer: A — 4157

Q. In a certain code, 'CIRCLE' is written as 'DJSDFM'. How is 'SQUARE' written in that code?

A. TQVBDF
B. TQVBDE
C. TQVBDF
D. TQVBEE

Solution

Each letter is shifted by +1: C->D, I->J, R->S, C->D, L->M, E->F. Applying the same shift to 'SQUARE': S->T, Q->R, U->V, A->B, R->S, E->F gives 'TQVBDF'.

Correct Answer: A — TQVBDF

Q. In a certain code, 'CIRCLE' is written as 'DJSFMD'. How is 'SQUARE' written in that code?

A. TROFBS
B. TROFAT
C. TROFCT
D. TROFDT

Solution

Each letter is shifted by +1: C->D, I->J, R->S, C->D, L->M, E->F. Therefore, S->T, Q->R, U->V, A->B, R->S, E->F, so SQUARE is TROFBS.

Correct Answer: A — TROFBS

Q. In a certain code, 'COLD' is written as 'DPEE'. How is 'WARM' written in that code?

A. XBSN
B. XBSM
C. XBRM
D. XBRN

Solution

Each letter is shifted by +1: C->D, O->P, L->E, D->E. Therefore, W->X, A->B, R->S, M->N, so WARM is coded as XBSN.

Correct Answer: A — XBSN

Q. In a certain code, 'COLD' is written as 'DPEE'. How is 'WARM' written?

A. XBSN
B. XBSM
C. XBTM
D. XBTN

Solution

Each letter is shifted forward by 1. 'WARM' becomes 'XBSN'.

Correct Answer: A — XBSN

Q. In a certain code, 'DOG' is written as '12', 'CAT' is written as '24'. How is 'MOUSE' written in that code?

A. 60
B. 72
C. 48
D. 36

Solution

The code is the number of letters multiplied by 4. 'MOUSE' has 5 letters, so 5*12=60.

Correct Answer: A — 60

Q. In a certain code, 'DOG' is written as '3-15-7'. How is 'CAT' written?

A. 3-1-20
B. 3-2-20
C. 3-1-21
D. 3-1-19

Solution

Each letter corresponds to its position in the alphabet: D=4, O=15, G=7. Thus, C=3, A=1, T=20, so CAT is 3-1-20.

Correct Answer: A — 3-1-20

Q. In a certain code, 'FISH' is coded as 'GJTI'. How is 'BIRD' coded in the same language?

A. CJSF
B. CJSI
C. CJTJ
D. CJSK

Solution

Each letter in 'FISH' is shifted by +1 in the alphabet. Thus, 'BIRD' becomes 'CJSF'.

Correct Answer: A — CJSF

Q. In a certain code, 'FISH' is written as 'GJTI'. How is 'BIRD' written in that code?

A. CJSF
B. CJSI
C. CJTJ
D. CJSK

Solution

Each letter is shifted by +1. B+1=C, I+1=J, R+1=S, D+1=F.

Correct Answer: A — CJSF

Q. In a certain code, 'FLOOR' is written as 'GMPPS', how is 'DOOR' written?

A. EPPQ
B. EPPQ
C. EQQS
D. EQQR

Solution

Each letter is shifted by +1; thus DOOR becomes EPPQ.

Correct Answer: A — EPPQ

Q. In a certain code, 'HELLO' is written as 'IFMMP'. How is 'WORLD' written in that code?

A. XPSME
B. XPSMF
C. XPSMD
D. XPSMC

Solution

Each letter is shifted by +1. W -> X, O -> P, R -> S, L -> M, D -> E.

Correct Answer: A — XPSME

Q. In a certain code, 'MANGO' is coded as 'NBOHP'. How is 'APPLE' coded?

A. BQQMF
B. BQQME
C. BQQMD
D. BQQMC

Solution

Each letter is shifted by +1: M->N, A->B, N->O, G->H, O->P. Thus, APPLE becomes BQQMF.

Correct Answer: A — BQQMF

Q. In a certain code, 'MANGO' is written as 'NBOHP'. How is 'APPLE' written?

A. BQQMF
B. BQQME
C. BQQMD
D. BQQMC

Solution

Each letter is shifted by +1. A->B, P->Q, L->M, E->F. So, APPLE is BQQMF.

Correct Answer: A — BQQMF

Q. In a certain code, 'PEN' is written as 'QFO', how is 'PAPER' coded?

A. QBPFS
B. QBPET
C. QAPFS
D. QAPET

Solution

Each letter is shifted by +1. Therefore, PAPER = QBPFS.

Correct Answer: A — QBPFS

Q. In a certain code, 'PEN' is written as 'QFO'. How is 'BOOK' written in that code?

A. CPPL
B. CPPL
C. CPPL
D. CPPL

Solution

Each letter is shifted by +1. B becomes C, O becomes P, O becomes P, and K becomes L.

Correct Answer: A — CPPL

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