Class 10 Maths · Probability · NCERT Exercise 13.3 · Question 20
Two dice are thrown simultaneously. What is the probability that the sum of the numbers appearing on the dice is
- (i)7?
- (ii)a prime number?
- (iii)1?
- (i)Probability that the sum is 7.
- (ii)Probability that the sum is a prime number.
- (iii)Probability that the sum is 1.
Answer
(i) P(sum 7) = 1/6 (ii) P(sum prime) = 5/12 (iii) P(sum 1) = 0.
🔒 Step-by-step solution
Sign up free to see every step of how it is worked out.
From the book
NCERT Exemplar Class 10 Maths Exercise 13.3 — all 42 questions with answers →
More questions from Probability
Class 10 Maths — every question with an expert-verified, step-by-step solution.
- Q1 Complete the following statements: (i) Probability of an event E + Pr…
- Q2 Which of the following experiments have equally likely outcomes? E…
- Q3 Why is tossing a coin considered to be a fair way of deciding wh…
- Q4 Which of the following cannot be the probability of an event?
- Q5 If P(E)=0.05, what is the probability of 'not E'?
- Q6 A bag contains lemon flavoured candies only. Malini takes out one…
- Q7 It is given that in a group of 3 students, the probability of 2 st…
- Q8 A bag contains 3 red balls and 5 black balls. A ball is drawn at ra…
- Q9 A box contains 5 red marbles, 8 white marbles and 4 green marbles…
- Q10 A piggy bank contains hundred 50p coins, fifty Rs 1 coins, twenty Rs…
- Q11 Gopi buys a fish from a shop for his aquarium. The shopkeeper takes…
- Q12 A game of chance consists of spinning an arrow which comes to rest…
All 382 questions on Probability → Browse all Maths chapters →