ICSE Class 10

ICSE Class 10 Probability — Mock Test (2027)

Free online mock test for Probability (ICSE Class 10 Mathematics) — 20 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.

What to expect: This mock test covers key concepts from the Probability chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.

Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.

Sample questions

  1. 1.A box contains some black balls and 30 white balls. If the probability of drawing a black ball is two-fifths of the probability of drawing a white ball, find the number of black balls in the box.
    • A.8
    • B.12
    • C.18
    • D.20
  2. 2.Which of the following relationship is the correct?
    • A.$P(E) + P(\overline{E}) = 1$
    • B.$P(\overline{E}) - P(E) = 1$
    • C.$P(E) = 1 + P(\overline{E})$
    • D.None of these
  3. 3.Which of the following cannot be the probability of an event?<br><br>
    • A.$\frac{1}{3}$
    • B.0.1
    • C.$3\%$
    • D.$\frac{17}{16}$
  4. 4.Which of the following cannot be the probability of an event?
    • A.$\frac{3}{5}$
    • B.2.7
    • C.43%
    • D.-0.6
    • E.-3.2
    • F.0.35
  5. 5.A box contains cards, number 1 to 90. A card is drawn at random from the box. Find the probability that the selected card bears a: (i) Two digit number. (ii) Perfect square number

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