Home
Class 11
MATHS
In a 12 storey building 3 persons enter ...

In a 12 storey building 3 persons enter a lift cabin. It is known that they will leave the lift at different storeys. In how many ways can they do so, if the lift does not stop at the second storey?

A

720

B

240

C

120

D

36

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

A committee of 6 is to be chosen from 10 men and 7 women, so as to contain at least 3 men and 2 women. In how many different ways can this be done, if two particular women refuse to serve on the same committee?

First, second and third prizes are to be awarded at an engineering fair in which 13 exhibits have been entered. In how many different ways can the prize be awarded?

There are 6 persons of whom 3 are Asians, 2 Europeans and 1 American. They have to stand in a line for a photograph so that the three Asians are together and the two Europeans are together. In how many ways can this be done?

5 chocolates of different type are to be distributed among 4 children and there is no condition on how many chocolates a child can get (including zero), how many differernt ways are possible for doing so?

Five persons entered the lift cabin on the groud floor of an 8 floors house. Suppose that each of them, independent and with equal probability can leave the cabin at any of floor beginning with the first. Find put the probability of all five persons leaving at different floors.