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.When a die is thrown, the probability of getting an odd number less than 3 is<br><br>
- A.$\frac{1}{6}$
- B.$\frac{1}{3}$
- C.$\frac{1}{2}$
- D.0
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2.A bag contains 20 balls out of which $x$ are red. If one ball is drawn at random, what is the probability that it is not red? It is given that when 5 more red balls are added, the probability of drawing a red ball doubles compared to before. Find the value of $x$.
- A.$x = 3$
- B.$x = 5$
- C.$x = 7$
- D.$x = 10$
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3.Someone is asked to take a number from 1 to 100. What is the probability that it is a prime?
- A.1/5
- B.1/4
- C.3/4
- D.2/5
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4.A bag contains, white, black and red balls only. A ball is drawn at random from the bag. If the probability of getting a white ball is $\frac{3}{10}$ and that of a black ball is $\frac{2}{5}$, then find the probability of getting a red ball. If the bag contains 20 black balls, then find the total number of balls in the bag.
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5.If a letter is chosen at random from the letters of the English alphabet, then the probability that it is a letter of the word DELHI is:
- A.$\frac{1}{5}$
- B.$\frac{1}{26}$
- C.$\frac{5}{26}$
- D.$\frac{21}{26}$
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