There are $5$ white, $7$ red, $4$ black, and $2$ blue identical balls in a box. One ball is selected at random from the box. Find the probability that the ball is either black or white.
- A$1/3$
- B$1/4$
- C$1/5$
- D$1/2$
Explore More
Similar Questions
There are $5$ red,$8$ white,and $4$ green balls in a box. $A$ ball is drawn at random from the box. Find the probability that the ball drawn is not green.
Medium
View SolutionIf $P(\overline{B}) = 0.81$,then $P(B) = \ldots$
Easy
View Solution$A$ balanced die is rolled once. Then,the probability that the number on the die is greater than $3$ is ........
Easy
View SolutionTwo balanced dice are rolled simultaneously. Then,the probability that the sum of numbers on the dice is $11$ is .........
Medium
View SolutionThree unbiased coins are tossed simultaneously. Then,the probability of receiving at least two heads is ..........
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo