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Which of the following… (Class 10 Maths Basic 2023, Q14)

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MathsCBSE Class 10 · Basic · Board exam 2023, set 430/2/1 · 1 mark · MCQ

CBSE Class 10 Mathematics Basic 2023: question 14

Set in the CBSE Class 10 board exam of 2023, paper 430/2/1, section A, question 14, for 1 mark. Try it first; the hints and our step-by-step solution are below.

Q14 · 1 mark · MCQProbability

Which of the following numbers cannot be the probability of an event?

  1. (A)0·5
  2. (B)5%
  3. (C)
  4. (D)

Source: official question paper from cbse.gov.in (PDF). See it in the full 2023 board paper, set 430/2/1.

Hints

Open one hint at a time and try again before the next.

Hint 1

What range must a probability lie in?

Hint 2

Evaluate each option as a decimal.

Step-by-step solution

Each step shows the marks it earns, as an examiner would award them. Checked by an independent re-solve from the question paper.

  1. Probability must lie between 0 and 1. , while 0.5, 5% = 0.05 and all lie in [0, 1].

  2. So cannot be a probability. Option (C).

    1 mark

Answer: , option (C)

Where the marks are

  • Uses to reject (1 mark)

Revise the chapter

  • Chapter: Probability (notes, formulas, where marks are lost and every past question)
Practise this chapterBoard-style questions from Probability, one at a time, marked against the answer key and marking points.Back to the full paper2023 board paper, set 430/2/1 (Basic): every question, by section.

The question is transcribed from the official paper; figures are described in words. The solution, hints and chapter tag are ours. Spotted an error? Write tosupport@questionbuddy.in.