Four people sit round a circular table and each person will roll a normal six sided die once. The probability that no two people sitting next to each other will roll the same number is `N/(1296)` then N is divisible by : 3 (b) 7 (c) 9 (c) `7^2`

A party of n ladies sit at a round table. Find odds against two specified ladies sitting next to each other

There exists a natural number N which is 50 times its own logarithm to the base 10, then N is divisible by 5 (b) 7 (c) 9 (d) 11

Out of n persons sitting at a round table, three, A, B, C are chosen at random. The chance that no two of these are sitting next to one another is

Six chairs are placed in a row to seat six people . How many different seating arrangements are possible if two of the people insist on sitting next to each other :

There an n persons sitting around a circular table. Each person shakes hands with everybody except the person sitting on both sides of him. The total number of hand shakes are 90. Then find n.

If the integers m and n are chosen at random between 1 and 100, then the probability that a number of the form 7^m+7^n is divisible by 5, equals (a) 1/4 (b) 1/7 (c) 1/8 (d) 1/49

If Aa n dB each toss three coins. The probability that both get the same number of heads is 1//9 b. 3//16 c. 5//16 d. 3//8

20 persons are sitting in a particular arrangement around a circular table. Three persons are to be selected for leaders. The number of ways of selection of three persons such that no two were sitting adjacent to each other is a. 600 b. 900 c. 800 d. none of these

Statement -1 : Three fairs dice are rolled. The probability that the same number will appear on each of them is 1/36 Statement-2 : When three dice are rolled, n(S) =6^3

A die is rolled, then the probability that a number 1 or 6 may appear is a. 2/3 b. 1/6 c. 1/3 d. 1/2