A drawer contains 50 bolts and 150 nuts....

A drawer contains 50 bolts and 150 nuts. Half of the bolts and half of the nuts are rusted. If one item is chosen at random, what is the probability that it is rusted or a bolt?

Topper's Solved these Questions

PERMUTATIONS
RD SHARMA ENGLISH|Exercise All Questions|291 Videos
QUADRATIC EQUATIONS
RD SHARMA ENGLISH|Exercise All Questions|85 Videos

Similar Questions

Explore conceptually related problems

(a) A drawer contains 50 bolts and 150 unts . Half of the bolts and half of the nuts are rusted . If one item is chosen at random , what is the probability that it is rusted or a bolt ?

A box contains 6 nails and 10 nuts. Half of the nails and half of the nuts are rusted. If one item is chosen at random, then find the probability that it is rusted or is a nail.

A box contains 6 nails and 10 nuts. Half of the nails and half of the nuts are rusted. If one item is chosen at random, the probability that it is rusted or is a nail is

A bag contains 150 nuts and 50 bolts. Half of the bolts and half of the nuts are rusted. One item is drawn at random from the bag. The probability that it is either rusted or a bolt is Option1 3/8 Option2 5/8 Option3 1/4 Option4 1/2

A box contains 30 bolts and 40 nuts. Half of the bolts and half of the nuts are rusted. If two items are drawn at random from the box, what is the probability that either both are rusted or both are bolts ?

An urn contains 60 blue pens and 40 red pens. Half of the each one is defective . If one pen is chosen at random , what is the probaility that it is a defective or a red pen ?

A book contains 85 pages. A page is chosen at random. What is the probability that the sum of the digits on the page is 8 ?

There are 100 bolts and 50 nuts in a box, out of which 50% bolts and 50% nuts are defective. Two items are drawn at random from the box, find the probability that both are either bolts or defective.

RD SHARMA ENGLISH-PROBABILITY-All Questions

If a die is rolled twice, find the probability of getting of getting a...
Text Solution
|
A die is thrown twice. What is the probability that at least one of...
Text Solution
|
A drawer contains 50 bolts and 150 nuts. Half of the bolts and half...
Text Solution
|
In an essay competition, the odds in favour of competitors P, Q, R ...
Text Solution
|
Two dice are thrown together. What is the probability that the sum o...
Text Solution
|
Two dice are thrown together .What is the probability that the sum of ...
Text Solution
|
The probability that a person will get an electric contract is 2/5 ...
Text Solution
|
The probability that a student will receive A, B, C or D grade or 0....
Text Solution
|
The probability that a patient visiting a dentist will have a tooth...
Text Solution
|
Probability that Hameed passes in Mathematics is 2/3 and the probabi...
Text Solution
|
Find the probability of at most two tails or at least two heads in ...
Text Solution
|
From the employees of a company 5 persons are elected to represent t...
Text Solution
|
In class XI of a school 40% of the students study Mathematics and 3...
Text Solution
|
Two students Anil and Ashima appeared in an examination. The probabi...
Text Solution
|
In a class of 60 students 30 opted for NCC, 32 opted for NSS and 24 ...
Text Solution
|
Four candidates A, B, C and D have applied for the assignment to coach...
Text Solution
|
are two candidates seeking admission in I.I.T. The probability that...
Text Solution
|
If A\ a n d\ B mutually exclusive events associated with a random e...
Text Solution
|
If A\ a n d\ B mutually exclusive events associated with a random e...
Text Solution
|
If A\ a n d\ B mutually exclusive events associated with a random e...
Text Solution
|