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
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1.In a class of 40 students, there are 16 boys and the rest are girls. From these students, one is selected at random. What is the probability that the selected student is a girl?
- A.16/40
- B.3/5
- C.2/5
- D.24/16
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2.24 out of the 90 two-digit numbers are divisible by 3 and not by 5. What is the probability of selecting such a number?
- A.2/15
- B.4/15
- C.1/15
- D.4/90
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3.A card is drawn from a pack of 100 cards numbered 1 to 100. What is the probability of drawing a number which is a perfect square?
- A.1/5
- B.1/10
- C.1/20
- D.1/100
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4.A bag contains white, black, and red balls only. A ball is drawn at random from the bag. The probability of getting a white ball is $\frac{3}{10}$ and that of a black ball is $\frac{2}{5}$. What is the probability of getting a red ball? If the bag contains 20 black balls, what is the total number of balls in the bag?
- A.Probability of red ball: $\frac{1}{10}$; Total balls: 40
- B.Probability of red ball: $\frac{3}{10}$; Total balls: 50
- C.Probability of red ball: $\frac{1}{5}$; Total balls: 60
- D.Probability of red ball: $\frac{1}{2}$; Total balls: 30
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5.A bag contains 6 red balls and some blue balls. If the probability of drawing a blue ball from the bag is twice that of a red ball, what is the number of blue balls in the bag?
- A.3
- B.6
- C.12
- D.18
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