10+ Banaras Engineering Works Interview Questions and Answers

You are given a number 'N'. Your task is to find Nth prime number.

A prime number is a number greater than 1 that is not a product of two smaller natural numbers. Prime numbers have only two facto...read more

A Derangement is a permutation of ‘N’ elements, such that no element appears in its original position. For example, an instance of derangement of {0, 1, 2, 3} is {2, 3, 1, 0}, because 2 prese...read more

Given a singly linked list, you have to detect the loop and remove the loop from the linked list, if present. You have to make changes in the given linked list itself and return the update...read more

You have been given a long type array/list 'ARR' of size 'N'. It represents an elevation map wherein 'ARR[i]' denotes the elevation of the 'ith' bar. Print the total amount of rainwater that c...read more

You have been given a number of stairs. Initially, you are at the 0th stair, and you need to reach the Nth stair. Each time you can either climb one step or two steps. You are...read more

You are given a Singly Linked List of integers. You need to reverse the Linked List by changing the links between nodes.

Input Format :

The first line of input contains a single integer T, re...read more

You are given a string S of words. Your task is to find the number of palindrome words in the given string S. A word is called palindrome, if it reads the same backwards as for...read more

Sanyam has ‘N’ candies, he wants to distribute that into ‘K’ of his friends. He made his ‘K’ friends stand in line, in increasing order of his likeness. Not being so smart he ...read more

You have been given a binary tree of 'N' nodes. Print the Spiral Order traversal of this binary tree.

For example

For the given binary tree [1, 2, 3, -1, -1, 4, 5, -1, -1,...read more

You are given two strings STR1 and STR2. You need to check whether STR2 can be formed from the characters of STR1. Both the strings can ...read more

You are given an array of integers 'ARR' of length 'N' and an integer Target. Your task is to return all pairs of elements such that they add up to Target.

Note:

We cannot use the element at a given inde...read more

You are given ‘n’ carrots numbered from 1 to ‘n’. There are k rabbits. Rabbits can jump to carrots only with the multiples of Aj(Aj,2Aj,3Aj…) for all rabbits from 1 to k.

Whenever Rabbit reaches a c...read more

Reverse a given stack of integers using recursion.

Note:

You are not allowed to use any extra space other than the internal stack space used due to recursion. You are not allowed to...read more

Ninja has been given a program to do basic string compression. For a character that is consecutively repeated more than once, he needs to replace the consecutive duplicate occurrences with th...read more

You have been given a long type array/list 'ARR' of size 'N'. It represents an elevation map wherein 'ARR[i]' denotes the elevation of the 'ith' bar. Print the total amount of rainwater that ...read more

G = (V,E) is an undirected simple graph in which each edge has a distinct weight, and e is a particular edge of G. Which of the following statements about the minimum span...read more

You are given a binary tree having 'N' nodes. Each node of the tree has an integer value. Your task is to find the maximum possible sum of a simple path between any two nodes (...read more