In a three-storey building, there are four rooms on the ground floor, two on the first and two on the second floor. If the rooms are to be allotted to six persons, one person occupying one room only, the number of ways in which this can be done so that no floor remains empty is a. `"^8P_6-2(6!)` b. `"^8P_6` c. `"^8P_5(6!)` d. none of these

Four persons entered the lift cabin on the ground floor of a six floor office . if the 4 persons can leave the cabin at any one of the 5 floors , then find the number of ways in which this can be done

In a hotel , four rooms are available , Six persons are to be accommodated in these four rooms in such a way that each of these rooms contains at least one person and at most two persons . Then the number of all possible ways in which this can be done is ______

45 In a hotel four rooms available. Six persons are to be accommodated in these four rooms in such a way that each of these rooms contains at least one person and at most two persons. Then the number of all possible ways in which this can be done is 'P'. Then sum of digits of 'P' is equal to

Five persons entered the lift cabin on the ground floor of a 8 floor house. Suppose each of them can leave the cabin independently at any floor beginning with the first. The total number of ways in which each of the five person can leave the cabin at any one of the 7 floor, is

Three number whose product it 512 are in G.P. If 8 is added to the first and 6 to the second , the number will be in A.P. The numbers are

There are 9 chairs in a room on which 6 persons are to be seated,out of which one is guest with one specific chair.In how many ways they can sit

Five persons entered the lift cabin on the ground floor of an 8-floor house.Suppose each of them can leave the cabin independently at any floor beginning with the first.Find the total number of ways in which each of the five persons can leave the cabin ( i ) at any one of the 7 floors (ii) at different floors.

Five persons entered the lift cabin on the ground floor of an 8 -floor building.If each of them can leave the cabin independently at any floor beginning with the first; find the total number of ways in which each of the five persons can leave the cabin: (i) at any one of the 7 floors and (ii) at different floors.

Each of the questions below consists of a questionand three statements numbered I, II and III given below ti. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the three statements and - Among six people P,Q,R,S,T and V each lives on a different floor of a six storey building having six floors numbered one to six( the ground floor is numbered 1, the floor above it, number 2 and so on and the topmost floor is number 6 ). Who lives on the topmost floor ? I. There is only one floor between the floors on which R and Q live. P lives on an even numbered floor. II. T does not live on an even numbered floor. Q lives on an even numbered floor. Q does not live on the topmost floor. III. S lives on an odd numbered floor. There are two floors between the floors on which S and P live. T lives on a floor immediately above R' s floor.