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QA – Placement Quizzes | Profit and Loss | Question 7
For a shirt cost price = 400Rs. Shopkeeper prints a tag on it with Markup% = 20% to earn a profit of 7.5%. What is… Read More
Profit and Loss
QA - Placement Quizzes
QA - Placement Quizzes-Profit and Loss
QA – Placement Quizzes
Puzzle 56 | Chinchillas Relations
Q. A young pair of chinchillas (one of each sex) is placed on an island. A pair of chinchillas does not breed until they are… Read More
Analytical Mathematical Puzzles
Puzzles
Combinations with repetitions
Suppose we have a string of length- n and we want to generate all combinations/permutations taken r at a time with/without repetitions.  There are four… Read More
Combinatorial
DSA
Fast I/O in Java in Competitive Programming
Using Java in competitive programming is not something many people would suggest just because of its slow input and output, and well indeed it is… Read More
Java-Competitive-Programming
Competitive Programming
DSA
Java
Print maximum sum square sub-matrix of given size
Given an N x N matrix, find a k x k submatrix where k <= N and k >= 1, such that sum of all… Read More
DSA
Matrix
QA – Placement Quizzes | Percentages | Question 15
A product is sold at two consecutive discounts of 30% and subsequently 40%. If the marked price on the product is 1500, What is the… Read More
Percentages
QA - Placement Quizzes
QA - Placement Quizzes-Percentages
QA – Placement Quizzes
QA – Placement Quizzes | Percentages | Question 14
A product is sold at two consecutive discounts of 30% and subsequently 40%. If the product is sold for 1500, what is the marked price… Read More
Percentages
QA - Placement Quizzes
QA - Placement Quizzes-Percentages
QA – Placement Quizzes
QA – Placement Quizzes | Percentages | Question 10
Ram spends 20% of is salary on food, 15 % of remaining on cloths, and 400 on entertainment. If his salary is 10000, how much… Read More
Percentages
QA - Placement Quizzes
QA - Placement Quizzes-Percentages
QA – Placement Quizzes
QA – Placement Quizzes | Clocks Clocks Clocks | Question 15
At what time will the hrs hand and minute hand will be pointing just opposite to each other between 7:00 AM and 8:00 AM? (A)… Read More
Clocks Clocks Clocks
QA - Placement Quizzes
QA - Placement Quizzes-Clocks Clocks Clocks
QA – Placement Quizzes
Find all occurrences of a given word in a matrix
Given a 2D grid of characters and a word, find all occurrences of given word in grid. A word can be matched in all 8… Read More
DSA
Pattern Searching
Adobe Interview Experience | Set 34 (For MTS-1)
Recently I appeared in interview for MTS-1 Adobe. Here is my experience. Written Round: Very easy aptitude Questions on geometry, DI, profit loss etc. Main… Read More
Adobe
Experiences
Interview Experiences
Sparse Set
How to do the following operations efficiently if there are large number of queries for them.  Insertion Deletion Searching Clearing/Removing all the elements. One solution… Read More
Advanced Data Structure
DSA
Amazon Interview Experience | Set 259 (1 Yr Experienced for SDE1)
Round 1: It was a written round with three question. Q1) Find a peak element. Q2) Top View of binary tree. Q3) Maximum difference between… Read More
Amazon
Experienced
Experiences
Interview Experiences
Amazon Interview Experience | Set 258 (For SDE1)
Round 1: It was a writen round with three questions : 1. Find a row with maximum number of 1’s in a sorted 2D Boolean… Read More
Amazon
Experiences
Interview Experiences
Puzzle 51| Cheryl’s Birthday Puzzle and Solution
(Wiki) Cheryl’s Birthday is the unofficial name given to a mathematics brain teaser that was asked in the Singapore and Asian Schools Math Olympiad, and… Read More
Logical Puzzles
Puzzles
In-place convert matrix in specific order
Write code to convert a matrix in a specific way without using extra space.  Input:      1 2 3      4 5 6 … Read More
DSA
Matrix
Iterator Design Pattern
The Iterator pattern is a widely used design pattern in software development that provides a way to access the elements of an aggregate object (such… Read More
Design Pattern
System Design
K-ary Heap
Prerequisite – Binary Heap  K-ary heaps are a generalization of binary heap(K=2) in which each node have K children instead of 2. Just like binary… Read More
Functions
python-dict
Scala-Arrays
Tatvasoft
TCS-coding-questions
DSA
Heap
OpenCV C++ Program to play a video
The following is the explanation to the C++ code to play a video in C++ using the tool OpenCV. Things to know: (1) The code will… Read More
OpenCV
C++
Project
Decidability and Undecidability in TOC
Identifying languages (or problems*) as decidable, undecidable or partially decidable is a very common question in GATE. With correct knowledge and ample experience, this question… Read More
Theory of Computation
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