Numerical Operations MCQs for MDCAT Practice

Math Reasoning section, Numerical Operations chapter. Sample questions from past PMC papers.

1. Question 1
   sin² θ + cos² θ always equals:
   • A.0
   • B.1
   • C.2
   • D.It varies
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2. Question 2
   What is the smallest number divisible by all single-digit numbers (1–9)?
   • A.2520
   • B.1260
   • C.1440
   • D.1080
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3. Question 3
   What length, in centimeters, is equivalent to a length of 51 meters? (1 meter = 100 centimeters)
   • A.0.051
   • B.0.51
   • C.5,100
   • D.51,000
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4. Question 4
   The number 0.666… (recurring) is equal to:
   • A.2/3
   • B.1/3
   • C.3/5
   • D.5/6
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5. Question 5
   log₉(3²) = ?
   • A.1
   • B.2
   • C.4
   • D.0.5
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6. Question 6
   x⁻² = 1/25. Find x.
   • A.5
   • B.1/5
   • C.±5
   • D.±1/5
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7. Question 7
   The ascending order of 0.3,1/5 and 15% is
   • A.0.3, 1/5 and 15%
   • B.1/5, 0.3 and 15%
   • C.0.3, 15% and 1/5
   • D.15%, 1/5 and 0.3
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8. Question 8
   cot 0° = ?
   • A.0
   • B.1
   • C.Undefined
   • D.∞
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