20+ Blossom Kochhar Beauty Products Interview Questions and Answers

Q1. Find the Duplicate Number Problem Statement

Given an integer array 'ARR' of size 'N' containing numbers from 0 to (N - 2). Each number appears at least once, and there is one number that appears twice. Your tas...read more

Q2. Sort 0 1 2 Problem Statement

Given an integer array arr of size 'N' containing only 0s, 1s, and 2s, write an algorithm to sort the array.

Input:

The first line contains an integer 'T' representing the number of...read more

Q3. Reverse Words in a String: Problem Statement

You are given a string of length N. Your task is to reverse the string word by word. The input may contain multiple spaces between words and may have leading or trai...read more

Q4. Buy and Sell Stock Problem Statement

Imagine you are Harshad Mehta's friend, and you have been given the stock prices of a particular company for the next 'N' days. You can perform up to two buy-and-sell transa...read more

Q5. N Queens Problem

Given an integer N, find all possible placements of N queens on an N x N chessboard such that no two queens threaten each other.

Explanation:

A queen can attack another queen if they are in the...read more

Q6. Pair Sum Problem Statement

You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.

Note:

Each pa...read more

Q7. Find Duplicates in an Array

Given an array ARR of size 'N', where each integer is in the range from 0 to N - 1, identify all elements that appear more than once.

Return the duplicate elements in any order. If n...read more

Q8. Character Frequency Problem Statement

You are given a string 'S' of length 'N'. Your task is to find the frequency of each character from 'a' to 'z' in the string.

Example:

Input:

S : abcdg

Output:

1 1 1 1 0 0 ...read more

Q9. Reverse Only Letters Problem Statement

You are given a string S. The task is to reverse the letters of the string while keeping non-alphabet characters in their original position.

Example:

Input:

S = "a-bcd"

Ou...read more

Q10. Sum of Digits Problem Statement

Given an integer 'N', continue summing its digits until the result is a single-digit number. Your task is to determine the final value of 'N' after applying this operation iterat...read more

Q11. Nth Fibonacci Number Problem Statement

Calculate the Nth term in the Fibonacci sequence, where the sequence is defined as follows: F(n) = F(n-1) + F(n-2), with initial conditions F(1) = F(2) = 1.

Input:

The inp...read more

Q12. Fibonacci Number Verification

Identify if the provided integer 'N' is a Fibonacci number.

A number is termed as a Fibonacci number if it appears in the Fibonacci sequence, where each number is the sum of the tw...read more

Q13. Pancake Sorting Problem Statement

You are given an array of integers 'ARR'. Sort this array using a series of pancake flips. In each pancake flip, you need to:

Choose an integer 'K' where 1 <= 'K' <= ARR.LENGTH...read more

Q14. Circular Linked List Detection

You are provided with the head of a linked list containing integers. Your task is to determine if the linked list is circular.

Note:

• A linked list is considered circular if it co...read more

Q15. Reverse Array Elements

Given an array containing 'N' elements, the task is to reverse the order of all array elements and display the reversed array.

Explanation:

The elements of the given array need to be rear...read more