Logical Reasoning MDCAT MCQs
Analytical & critical thinking MCQs
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in Logical Reasoning
Answer: These are perfect squares: 2²=4, 3²=9, 4²=16, 5²=25, 6²=36.
Answer: Each letter is assigned a code: P=1, E=2, N=3, C=4, I=5, L=6. So LID=654.
Answer: Alphabetical order: A, C, H, A, I, R. Middle letter is C.
Answer: Pattern: +2, +3, +4, +5, +6: B(2)+2=D(4), D(4)+3=G(7), G(7)+4=K(11), K(11)+5=P(16), P(16)+6=U(21).
Answer: If all dogs are cats and all cats are birds, then all dogs must be birds.
Answer: Since some men are engineers and all engineers are smart, some men must be smart.
Answer: Pattern: (first × second) + (first - second) = 5×3+(5-3)=15+2=17. Adjusted pattern gives 64.
Answer: Each number is multiplied by 3: 2×3=6, 6×3=18, 18×3=54, 54×3=162.
Answer: All are perfect cubes except 100 which is 10² (perfect square).
Answer: All words can be formed using the letters available in EXAMINATION.
Answer: These are vowels in order: A, E, I, O, U.
Answer: Each number is multiplied by 2: 7×2=14, 14×2=28, 28×2=56, 56×2=112.
Answer: P=1, E=2, N=3, so PEN=123.
Answer: Sum of alphabetical positions: A(1)+P(16)+P(16)+L(12)+E(5)=50. M(13)+A(1)+N(14)+G(7)+O(15)=50, but coded as 55.
Answer: B is father of A, A is father of C, C is mother of E. So B is grandfather of E.
Answer: A doctor works in a hospital, and a teacher works in a school.
Answer: Since some cats are black and all black things are beautiful, some cats must be beautiful.
Answer: If all books are papers and all papers are pens, then all books are pens and some pens are books.
Answer: Triangular numbers: +2, +3, +4, +5, +6. 15+6=21.
Answer: If all roses are flowers and all flowers are plants, then all roses must be plants.