CBSE Class 10 Mathematics Basic 2026: question 30
Set in the CBSE Class 10 board exam of 2026, paper 430/4/1, section C, question 30, for 3 marks. Try it first; the hints and our step-by-step solution are below.
Q30 · 3 marks · Short answerProbability
Two dice are rolled together. Find the probability that :
- (i)0 marks
the sum of the numbers obtained is .
- (ii)0 marks
the product of the numbers obtained is .
Source: official question paper from cbse.gov.in (PDF). See it in the full 2026 board paper, set 430/4/1.
Hints
Open one hint at a time and try again before the next.
Hint 1
How many outcomes are there in total when two dice are rolled?
Hint 2
List ordered pairs — remember and are different.
Hint 3
Count pairs whose sum is 10, then pairs whose product is 6.
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.
Total possible outcomes when two dice are rolled .
- 1½ marks
(i) Sum 10: favourable outcomes , i.e. 3.
- 1½ marks
(ii) Product 6: favourable outcomes , i.e. 4.
Answer: (i) ; (ii)
Where the marks are
- Lists 3 favourable outcomes for sum 10 and gets (1½ marks)
- Lists 4 favourable outcomes for product 6 and gets (1½ marks)
Revise the chapter
- Chapter: Probability (notes, formulas, where marks are lost and every past question)
- Topic: Probability Problems on Coins and Dice
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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.