shaalaa.com
S

Solution - Probability Examples and Solutions

Account
User


Login
Register


      Forgot password?
Share
Notifications

View all notifications
Books Shortlist
Your shortlist is empty

Question

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 3/10 and that of a black ball is 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.

Solution

You need to to view the solution
Is there an error in this question or solution?

Similar questions VIEW ALL

A letter of English alphabet is chosen at random. Determine the probability that the chosen letter is consonant.

view solution

If two coins are tossed, then find the probability of the event that at least one head turns up.

view solution

The probability of selecting a red ball at random from a jar that contains only red, blue and orange balls is 1/4. The probability of selecting a blue ball at random from the same
jar 1/3. If the jar contains 10 orange balls, find the total number of balls in the jar.

view solution

Three different coins are tossed together. Find the probability of getting

(i) exactly two heads

(ii) at least two heads

(iii) at least two tails.

view solution

Three distinct coins are tossed together. Find the probability of getting

(i) at least 2 heads

(ii) at most 2 heads

view solution

Reference Material

Solution for concept: Probability Examples and Solutions. For the course 8th-10th CBSE
S