A bag contains 20 black marbles, if a ma...

A bag contains 20 black marbles, if a marble is picked at random from the bag. Find the probability that marble picked is of Red colour.

Text Solution

Verified by Experts

The correct Answer is:

0

Topper's Solved these Questions

PROBABILITY
ARIHANT SSC|Exercise BASE LEVEL QUESTIONS|41 Videos
PROBABILITY
ARIHANT SSC|Exercise HIGHER SKILL LEVEL QUESTIONS|12 Videos
PRACTICE SET
ARIHANT SSC|Exercise PRACTICE SET-5|50 Videos
PROBLEM BASED ON AGES
ARIHANT SSC|Exercise FASK TRACK PRACTICE|31 Videos

Similar Questions

Explore conceptually related problems

A bag contains 3 black marbles, 5 red marbles and 6 white marbles. If a marble is picked at random, then what is the probability that it is not a white marble?

A box contains 3 blue, 2 white and 4 red marbles. If a marble is drawn at random from the box, what is the probability that it will not be a white marble?

A bag contains 4 red and 5 black balls, a second bag contain 3 red and 7 black balls. One ball is drawn at random from each bag, find the probability that the ball are of the same colour.

A box contains 5 Red, 4 green and 7 white marbles. One marbles is drawn at random from the box. What is the probability that marble is (i) not white (ii) neither red nor white

A box contains 3 blue 2 white and 4 red marbles . If a marble is drawn at random from the box what is the probability that it will be (i) white ? (ii) not blue ?

A bag contains 3 red and 2 blue marbles.A marble is drawn at random.What is the probability of drawing a blue marble?

Bag A contains 3 white & 7 red balls and bag B contains 2 white & 3 Red balls. If a ball is picked up randomly then what is the probability that the ball picked is white from bag A

A bucket contains 8red,3 blue and 5 green marbles . If 3 marbles are drawn at random , what is the probability that none is red ?

A bag contains 3 red,4 black and 2 green balls.One ball is drawn at random from the bag,find the probability drawn is black ball?

A basket contains 4 red , 5 blue and 3 green marbles . If two marbles are picked at random , what is the probability that both are red ?

ARIHANT SSC-PROBABILITY-EXERCISE (LEVEL-2)

A bag contains 20 black marbles, if a marble is picked at random from ...
Text Solution
|
What is the probability that four S's come consecutively in the word M...
Text Solution
|
If a sum of money double itself in 4 years at S.I. then the rate of in...
Text Solution
|
Nutan invest rs. 22400 on S.I. at the rate of 12% p.a. How much amount...
Text Solution
|
a consignment of 15 record players contain 4 defectives .the record pl...
Text Solution
|
In a test, an examinee either guesses or copies or knows the answer to...
Text Solution
|
Given that the sum of two - negative quanties is 200 , the pr...
Text Solution
|
A pack of cards consists of 15 cards numbered 1 to 15. Three cards are...
Text Solution
|
What time taken by sum of rs.7000 to become rs.10500 at the rate of 5%...
Text Solution
|
The difference between C.I. and S.I. at a certain rate on rs. 2000 at ...
Text Solution
|
The probabilities that a student passes in Mathematics, Physics and Ch...
Text Solution
|
A student appears for tests I. II and III. The student is considered s...
Text Solution
|
If (1 +3p )/( 3 ) , (1-p )/(4) , (1- 2p )/( 2) are probabilities o...
Text Solution
|
A letter is takenout at random from 'ASSISTANT and another is taken ou...
Text Solution
|
A sum of money doubles in 3 years at compound interest compounded annu...
Text Solution
|
A man takes a step forward with probability 0.4 and back ward with pro...
Text Solution
|
Three of the six vertices of a regular hexagon are chosen at random. T...
Text Solution
|
What is the difference between C.I. and S.I. of rs.12000 on 5% p.a. fo...
Text Solution
|
Urn A contains 6 red and 4 black balls and urn B contains 4 red and 6 ...
Text Solution
|
The digits 1,2,3,....,9 are written in random order to form a nine dig...
Text Solution
|