top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

What is the probability that first is red and second is blue?

+1 vote
154 views

In a bag there are 10 red and 15 blue marbles.
Two marbles are drawn in succession without replacement.
What is the probability that first is red and second is blue?

posted Jul 10, 2020 by Aastha Joshi

Looking for solution? Promote on:
Facebook Share Button Twitter Share Button LinkedIn Share Button




Similar Puzzles
0 votes
What is the probability that first is yellow and second is blue?

There are 4 blue and 8 yellow balls.
Two balls are selected one by one without replacement.
What is the probability that first is yellow and second is blue?

+1 vote
What is the probability that her first pick was a black sock but her second pick was a blue socks?

A woman who goes to work long before sunrise every morning gets dressed in the dark.
In her sock drawer she has 9 black and 12 blue socks.
What is the probability that her first pick was a black sock but her second pick was a blue socks?

0 votes
A box contains 4 blue, 3 red, 5 green and 6 yellow marbles...........what is the probability that at least one is green?

A box contains 4 blue, 3 red, 5 green and 6 yellow marbles.
If three marbles are drawn at random, what is the probability that at least one is green?

0 votes
A packet contains blue, red and green pens such that the probability of picking a blue pen is 2/9 and probability.......

A packet contains blue, red and green pens such that the probability of picking a blue pen is 2/9 and probability of picking a green pen is 4/9.
If number of red pens is 15 and if all the pens are numbered starting from 1, 2, 3....so on, then what is the probability of getting one pen numbered as multiple of 7 or 11?

0 votes
What will be the probability the second ball taken after first event would be red ?

There are two bags. First contain 10 white balls and other contain 8 red balls. One ball from any bag shifted to other bag at random.
What will be the probability the second ball taken after first event would be red ?
First event is to drawn first ball.

...