Login / Signup

Question

A box contains 12 yellow marbles, ‘x’ blue marbles and 12 white marbles. A box contains 5 yellow marbles, 2 blue marbles and 3 white marbles. The probability of drawing a blue marble at random from the box is 1/7. If (x/2) blue marbles from the box are transferred to the bag, then find the probability of drawing a blue marble and a white marble from the box.

A 4/21

B 7/31

C 2/11

D 9/25

Practice Next

More Probability Questions

Two cards are drawn from a well shuffled deck of cards. Probability that both cards are queen is (1/p). Find the value of (2p - 20²).
Two numbers are chosen at random without replacement from the set of first 20 natural numbers. Find the probability that both the numbers are even.
A box contains 6 white balls, 5 black balls and 4 red balls. Two balls are drawn at random without replacement. What is the probability that both balls are...
Bag C contains 2 red balls and 2 blue balls, whereas bag D contains 5 red balls and 5 blue balls. One ball is drawn at random from C and transferred into D...
Karan has a 65% chance of being admitted to school L and a 55% chance at school M. His preferences are 'L', then 'M', and lastly 'N'. Assuming Karan gets i...
A question is given to Saket, Ankush and Prem. Probability that Saket, Ankush and Prem can solve the question is 1/3, 2/5 and 1/2. Find the probability tha...
In a box there are 12 orange, 5 white, and 7 blue balls. One ball is picked up randomly. What is the probability that it is neither white nor blue?
A contains X green Balls, '7 Red Balls, and 5 Yellow Balls. The probability to pick Green Ball at random is 3/5. Another Bag B contains ‘6 green Balls, ‘x ...
Three persons i.e. ‘X’, ‘Y’ and ‘Z’, are given the same puzzle to solve. The probability that ‘X’, ‘Y’ and ‘Z’ will solve the puzzle is (4/7), (2/5) and (1...
A coin is tossed 5 times. ‘A’ wins the game if exactly 3 heads appear. Otherwise, ‘B’ wins. What is the probability that ‘A’ wins?

Relevant for Exams:

CMAT

Hey! Ask a query

ask-question