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QA – Placement Quizzes | Simple Interest | Question 9

Find the simple interest on Rs.300 for 6 months at 10% per annum. (A) 20 (B) 15 (C) 17 (D) 13 Answer: (B) Explanation: SI… Read More

QA - Placement Quizzes

QA - Placement Quizzes-Simple Interest

Simple Interest

QA – Placement Quizzes

Printing Integer between Strings in Java

Try to figure out the output of this code: public class Test { public static void main(String[] args) { System.out.println(45+5 + "=" +45+5); } }… Read More

Java-Integer

Java-String-Programs

Java-Strings

Java

Aptitude | Compound Interest | Question 5

Find the amount returned for an investment of Rs.5,000 after 2 years, if the rate of interest for the 1st year is 5% and for… Read More

Compound Interest

QA - Placement Quizzes

QA - Placement Quizzes-Compound Interest

QA – Placement Quizzes

New features of JavaScript Arrays with ES2015

In this article we will be discussing the new additions in ES2015 which substantially improves the way we work with Arrays in JavaScript. Array… Read More

JavaScript-ES

GBlog

JavaScript

Web Technologies

Puzzle 50 | The Boat Wreckage

Let’s make this one easy! Ankur with his friends went to river the bank of river Ganges, as the exams are over for fun and… Read More

Logical Puzzles

Puzzles

Opaque Pointer in C++

Opaque as the name suggests is something we can’t see through. e.g. wood is opaque. An opaque pointer is a pointer that points to a… Read More

cpp-pointer

C++

Puzzle 49 | King and his Elephants

A king dies after writing an agreement to divide the elephant power to his three sons, the first son has to get 1/2 of elephants,… Read More

Analytical Mathematical Puzzles

Puzzles

Density of Binary Tree in One Traversal

Given a Binary Tree, find density of it by doing one traversal of it. Density of Binary Tree = Size / Height Examples: Input: Root… Read More

DSA

Tree

Puzzle 48 | Rectangular Cardboard

Given, a rectangular cardboard with a rectangular piece removed(of any size and orientation) how one can cut the rectangular cardboard in two equal parts with… Read More

Shape Puzzles

Puzzles

Puzzle 46 | Rich or Poor

A place has two kinds of residents, Poor, who always tell the truth, and their opposites, Rich, who always lie. You encounter two people A… Read More

Logical Puzzles

Puzzles

Minimum number of palindromic subsequences to be removed to empty a binary string

Given a binary string, count minimum number of subsequences to be removed to make it an empty string. Examples : Input: str[] = "10001" Output:… Read More

binary-string

palindrome

subsequence

DSA

Strings

Find minimum number of merge operations to make an array palindrome

Given an array of positive integers. We need to make the given array a ‘Palindrome’. The only allowed operation is”merging” (of two adjacent elements). Merging… Read More

Amazon

Arrays

DSA

Mathematical

Non-recursive program to delete an entire binary tree

We have discussed recursive implementation to delete an entire binary tree here.We strongly recommend you to minimize your browser and try this yourself first.Now how to… Read More

DSA

Tree

Command Design Pattern

The Command Design Pattern is a behavioral design pattern that turns a request into a stand-alone object, allowing parameterization of clients with different requests, queuing… Read More

Design Pattern

System Design

Puzzle 45 | Gem in Pockets

Vijay Dinanath Chauhan aka “VDC” was travelling from Bangalore to New Delhi along with his friends. VDC was wearing a Cargo Jeans with finite number… Read More

Analytical Mathematical Puzzles

Puzzles

GATE | Gate IT 2008 | Question 72

Student (school-id, sch-roll-no, sname, saddress) School (school-id, sch-name, sch-address, sch-phone) Enrolment(school-id sch-roll-no, erollno, examname) ExamResult(erollno, examname, marks) What does the following SQL query output? SELECT … Read More

Gate IT 2008

GATE-Gate IT 2008

GATE

GATE | Gate IT 2008 | Question 66

Which of the following statements are TRUE? (S1) TCP handles both congestion and flow control (S2) UDP handles congestion but not flow control (S3) Fast… Read More

Gate IT 2008

GATE-Gate IT 2008

GATE

QA – Placement Quizzes | Simple Interest | Question 1

A sum amounts to Rs 1065 at simple interest rate of 7.5% per annum after 3 years. Find the sum. (A) 878.40 (B) 869.38 (C)… Read More

QA - Placement Quizzes

QA - Placement Quizzes-Simple Interest

Simple Interest

QA – Placement Quizzes

GATE | Gate IT 2008 | Question 59

Let R (A, B, C, D) be a relational schema with the following functional dependencies: A → B, B → C, C → D and… Read More

Gate IT 2008

GATE-Gate IT 2008

GATE

QA – Placement Quizzes | Percentages | Question 8

Jack and Robert appeared in an examination. Robert scored 9 marks less than Jack. Jack’s score was 56% of the sum of their scores added… Read More

Percentages

QA - Placement Quizzes

QA - Placement Quizzes-Percentages

QA – Placement Quizzes