MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Quantitative Aptitude

Probability

Four letters ...

Question

Four letters are written of 4 different persons. Addresses of these 4 persons are written on 4 envelopes. What is the probability that all letters go to correct envelopes?

A

0

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

None of these

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B

$n (A) = 1, n (S) = 4 \times 4 \times 4 \times 4 = 256 P (A) = \frac{1}{256}$

Suggest Corrections

thumbs-up

0

Similar questions

Q. Three letters are written to different persons, and addresses on three envelopes are written. Without looking at the addresses, the probability that the letters go into right envelopes is

Q. Three letters are written to different persons and addresses on three envelopes are also written without looking at the address, the probability that the letters go into right envelopes is

Q. Three letters are written to three different persons and addresses on the three envelopes are written.Without looking at the addresses, the letters are kept in these envelopes. The probability that all the letters are not placed into their right envelopes is

Q. A person writes

4

4

4

envelops. If the letters are placed in the envelops at random, the probability that not all letters are placed in correct envelopes is

Q. A person writes

4

letters and addresses

4

envelopes. If the letters are placed in the envelopes at random, what is the probability that all letters are not places in the right envelopes ?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Probability

QUANTITATIVE APTITUDE

Watch in App

explore_more_icon

Explore more

Other Quantitative Aptitude

Join BYJU'S Learning Program

CrossIcon