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Mathematical Reasoning Flashcards

6 cards from real OC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Mathematical Reasoning flashcards as text

  1. A rectangle has a length of 12 cm and a width of 7 cm. What is its perimeter?

    Answer: 38 cm

    Perimeter = 2(l + w) = 2(12 + 7) = 38 cm.

  2. What is 35% of 80?

    Answer: 28

    35% of 80 = 0.35 × 80 = 28.

  3. A train travels 240 miles in 4 hours. What is its average speed?

    Answer: 60 mph

    Speed = Distance ÷ Time = 240 ÷ 4 = 60 mph.

  4. What is the next number in the sequence: 3, 6, 12, 24, ___?

    Answer: 48

    Each term is doubled to get the next term, so 24 × 2 = 48.

  5. If 4x + 5 = 25, what is the value of x?

    Answer: 5

    4x = 20, so x = 5.

  6. A bag contains 5 red, 3 blue, and 2 green marbles. What is the probability of picking a blue marble?

    Answer: 3/10

    Probability = 3/10 since there are 3 blue out of 10 total marbles.

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Sources & references

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  1. education.nsw.gov.au — Late registration, registration, eligibility, fees, passing score, exam format, time limit, test delivery, exam information · verified Nov 2026