All Free Analytical and Logical Reasoning MCQs with Answers

• A. 36
• B. 40
• C. 42
• D. 46

Explanation: The differences between consecutive terms are 4, 6, 8, 10 — increasing by 2 each time.

• A. Father
• B. Brother
• C. Uncle
• D. Cousin

Explanation: A and B are siblings, and B and C are siblings, so A and C are also siblings. Since C is D’s father, A is D’s paternal uncle.

• A. EPH
• B. EPG
• C. DPH
• D. FQI

Explanation: Each letter moves forward one position in the alphabet: C→D, A→B, T→U. Applying the same rule to DOG gives D→E, O→P, G→H, which is EPH.

• A. 30
• B. 36
• C. 48
• D. 60

Explanation: Each term is double the one before it, so the next term is 24 times 2, which is 48.

• A. 35
• B. 37
• C. 39
• D. 41

Explanation: The differences are 3, 5, 7 and 9, rising by 2 each time, so the next difference is 11 and the next term is 26 plus 11, which is 37.

• A. M
• B. N
• C. O
• D. P

Explanation: The gaps between the letters grow by one each step: A to C skips one letter, C to F skips two, F to J skips three, so the next step skips…

• A. All surgeons are researchers
• B. Some surgeons are researchers
• C. All researchers are doctors
• D. No conclusion about surgeons and researchers definitely follows

Explanation: The researchers who are doctors might all be non-surgeons, so nothing definite links surgeons to researchers.

• A. His mother
• B. His sister
• C. His aunt
• D. His niece

Explanation: The grandfather's only son must be the speaker's own father, so the woman is his father's daughter, which makes her his sister.

• A. IFBSU
• B. IFBTU
• C. GDZQS
• D. IEBSU

Explanation: Each letter is replaced by the one immediately after it in the alphabet, so M becomes N, E becomes F and so on.

• A. Close the hospital until the season ends
• B. Launch a mosquito control and public awareness drive in the affected areas
• C. Refuse admission to further dengue patients
• D. Wait for the figures of the following year before acting

Explanation: A course of action is appropriate when it is practical, proportionate and addresses the cause rather than the symptom, and mosquito…

• A. An increase in indoor screen time and reduced outdoor play
• B. An increase in the number of schools in the city
• C. A fall in the price of milk
• D. An increase in the school year length

Explanation: Vitamin D is synthesised in skin exposed to sunlight, so less time outdoors is a direct and plausible mechanism for the deficiency.

• A. Dr Ahsan is not a doctor in that hospital
• B. Dr Ahsan was ill
• C. The seminar was not important
• D. Dr Ahsan is a doctor elsewhere

Explanation: If every doctor in the hospital attended, then anyone who did not attend cannot be a doctor in that hospital, which is a valid…

• A. uses too small a sample
• B. confuses correlation with causation, ignoring that motivated students may both take extra classes and study more
• C. relies on an outdated study
• D. contradicts itself

Explanation: Two things occurring together does not establish that one produces the other, since a third factor such as motivation could produce both.

• A. assumes a causal link between unrelated events, ignoring the times it rained without washing
• B. uses an unreliable weather forecast
• C. contains a contradiction
• D. generalises from an authority

Explanation: The speaker notices only the cases that fit the pattern and overlooks the many occasions when it rained without a wash or a wash was…

• A. The drug is expensive to manufacture
• B. A group given a placebo improved by the same amount
• C. The drug has been approved in other countries
• D. Some patients disliked the taste

Explanation: If untreated patients improved equally, the improvement cannot be attributed to the drug, which is precisely why controlled trials use a…

• A. The lanes were expensive to build
• B. Congestion fell in the city while remaining unchanged in comparable cities without bus lanes
• C. Many residents say they like the lanes
• D. Bus ridership figures were not recorded

Explanation: A comparison with similar cities that did not change rules out general causes such as fuel prices or the economy, which makes the link to…

• A. The existing health facilities cannot adequately serve the larger population
• B. The district has no hospitals at present
• C. Population growth will continue
• D. Hospitals are the cheapest form of healthcare

Explanation: The argument only works if current capacity is now insufficient, since a doubled population served by ample existing facilities would need…

• A. presents a false dilemma, ignoring other possible options such as raising funds
• B. uses emotional language
• C. appeals to authority
• D. repeats itself

Explanation: A false dilemma presents two alternatives as though they were the only ones available, when in reality further options exist, such as…

• A. statistical evidence
• B. an appeal to authority rather than to evidence
• C. a controlled experiment
• D. a personal attack

Explanation: Expertise makes a claim worth listening to but does not by itself make it true, and the argument offers no data at all.

• A. an ad hominem attack
• B. a false dilemma
• C. a hasty generalisation
• D. circular reasoning

Explanation: The argument attacks the person's behaviour rather than examining the merits of what he says, and inconsistency in a speaker does not make…