Probability Problems

Let me tell you a story of a dangerous prison. There were N prisoners in that prison. It is guarante...

One day you have invited Sohel bhai to come to East West University to see an intra-University table...

There are N boxes with candies numbered from 1 to N. The number of candies in the boxes numbered 1 t...

There is an M meter long road with the leftmost point of the road being the 0 meter point and the ri...

There is a house named Larcana. It is a very weird house .There are exactly N rooms in total and bet...

Recently Goku has discovered a rooted tree graph. Goku’s tree has N nodes, among them node 1 is the...

A witch has imprisoned Bob in the 1st room of the Central Witchland Hotel. The hotel is weird. All t...

This is a straight-froward problem. You will be given N. You have to find the expected value of bui...

Ray and Evangeline are playing a game named “The Lucky Dice”. In this game, each player tosses up a ...

We all know Sheldon Cooper from The Big Bang Theory. Recently he got his Nobel Prize. He likes polyg...

Alita found a string of n characters where each character of the string is either ‘0’ or ‘1’. The Od...