Math, asked by SharmacrizTani, 1 year ago

A bag contains white,black and red balls only. A ball is drawn at random from the bag. The probability of getting a white ball is 3/10 and that of a black ball is 2/5. Find the probability of getting a red ball. if the bag contains 20 black balls then find the total no of balls in the bag

Answers

Answered by sreeramesan123
3
probability of getting red ball is 7÷10 . and the total no of balls are 50.

Answered by sonu2003
1
Probability of getting red ball is 7/10 and the total no of balls are 50
Previous Question
Next Question
Similar questions
Business Studies, 8 months ago
What is the relevance of new methods of Marketing in the near future?​
English, 8 months ago
rewrite the following sentence changing the gender and making other changes if needed. 1. he has lost his bicycle. 2. my father is very handsome. 3. he is a famous actor. 4. that tiger killed a man. 5. the washerman is washing the clothes on the bank of the river. 6. my uncle is a judge of high court.​
English, 8 months ago
Do not insult a weak.​
Math, 1 year ago
The angle of elevation of a jet aircraft from a point P on the ground is 60 degrees .after a flight of 15 seconds,the angle of elevation becomes half the previous angle .if the jet is flying at a speed of 720km/hr ,find the constant height at which the jet is flying.(use root 3=1.73)...
Math, 1 year ago
The angle of elevation alpha of top of a light house as seen by the person on the ground is such that its tangent is 5/12 . when the person moves a dist of 240 m towards the light house the tangent of the angle of elevation bitha is found to be 3/4 .find the height of the light house...
English, 1 year ago
why is there a decline in the no. of foreign tourists in India? Give reasons. Suggest any solutions. Pls answer ASAP....I will mark it as a brainliest ans.
Math, 1 year ago
Kevin works 3z hours each day from Monday to Friday. He works (4z-7) on Saturday. Kevin does not work on Sunday. Find the number of hours Kevin works in one week in terms of z...
Social Sciences, 1 year ago
at what interval does revision of voters' list take place?