MyQuestionIcon

1

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

Electric Circuit

If the maximu...

Question

If the maximum number of trials required to openall locks when there are n locks and n keys is 105,then n =

Open in App

Solution

Suggest Corrections

thumbs-up

79

Similar questions

Q. A safe has 5 locks, v, w, x, y and z ; all of which must be unlocked for the safe to open. The keys to the locks are distributed among five executives in the following manner :

Mr. P has keys for locks v and x.
Mr. Q has keys for locks v and y.
Mr. R has keys for locks w and x.
Mr. S has keys for locks x and z.
Mr. T has keys for locks v and z.

The minimum number of executives required to open the safe is _____

Q. There is a key-ring which has

n

keys of which only one is the right key of the lock. A person tries to open the lock at random. If he discards the key already tried, what is the probability that he opens the lock at

k^{t h}

Q. A bank has 3 locks with 1 key for each lock. Each key is owned by a different person. In order to open the vault atleast two people must insert their keys into the assigned locks. All the keys are not inserted at the same time. If the system is to be designed with only two input NAND gates then the number of NAND gates required are _____

Q. Statements:All the locks are keys. All the keys are bats. Some watches are bats.
Conclusions:
A. Some bats are locks.
B. Some watches are keys.
C. All the keys are locks.

Statements:

All keys are locks.

All locks are bangles.

All bangles are cars.

Conclusions:

I. Some cars are locks.

II. Some bangles are keys.

III.Some cars are keys.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Electric Circuit

PHYSICS

Watch in App

explore_more_icon

Explore more

Electric Circuit

Standard VIII Physics

Join BYJU'S Learning Program

CrossIcon