Login / Signup

Question

A is trying to break a bulb by throwing balls at it. If he hits the bulb 4 times in every 11 throws and bulb breaks 4 times out of 20 hits, then find the probability of A breaking the bulb.

A 3/55

B 4/50

C 4/55

D 3/50

E None of these

Practice Next

More Probability Questions

In a game, there are 12 cards, 5 of which are red and the rest are blue. If 2 cards are drawn at random, the question is to determine the probability that ...
A bag contains ‘x’ black balls, ‘x + 2’ red balls and ‘x + 1’ white balls. If the probability of drawing a white ball is 1/36 less than the probability of ...
In a silver box there are 8 green, 3 red, and 4 blue pens while in a gold box there are 6 green, 7 red, and 3 blue pens. One pen is drawn at random from th...
The probability that Sita fails in Geography is (2/7), and the probability that she does not fail in Civics is (6/7). Find the probability that she fails e...
Which of the following cannot be the probability of an event?
The names of 15 students from section A, 10 students from section B and 15 students from section C were selected. The age of all the 40 students was differ...
A bag contains ‘x’ red balls and 2 green balls. If the probability of getting a red ball is 7/9, then find the probability of getting different coloured ba...
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...
Two dice are thrown simultaneously. Find the probability that sum of the numbers appeared on both the dice is at least 7.
A bag contains 8 Green and 10 Red balls. One ball is drawn at random. What is the probability that the ball drawn is Red?

Hey! Ask a query

ask-question