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An IP address is an address having information about how to reach a specific host which is a 32-bit unique address number having an address… Read More

Java-Classes

Java-Networking

Java

Aptitude | Mensuration 3D | Question 4

Given: A cubical wooden structure with sides of 5 cm is painted on all its faces. If the cubical structure is sliced into 1 cm… Read More

Aptitude

Aptitude-Mensuration 3D

Mensuration 3D

QA – Placement Quizzes

Interfaces in Java

An Interface in Java programming language is defined as an abstract type used to specify the behavior of a class. An interface in Java is… Read More

java-interfaces

Java

School Programming

PriorityQueue in Java

A PriorityQueue is used when the objects are supposed to be processed based on the priority. It is known that a Queue follows the First-In-First-Out… Read More

Java - util package

Java-Collections

Java-Functions

java-priority-queue

priority-queue

Java

Aptitude | Calendars | Question 4

What day of week was it on 1989/05/11, if it was Monday on 1988/04/04, given the dates are in format : yyyy/dd/mm ? (A) Sunday… Read More

Aptitude

Aptitude-Calendars

Calendars

Aptitude

Flyweight Design Pattern

Flyweight pattern is one of the structural design patterns as this pattern provides ways to decrease object count thus improving application required objects structure. Flyweight pattern is… Read More

Design Pattern

System Design

Aptitude | Probability | Question 9

A box having 5 black and 3 brown flags. Another box having 4 black and 6 brown flags. If one flag is drawn from each… Read More

Aptitude

Aptitude-Probability

Probability

QA – Placement Quizzes

Aptitude | Probability | Question 8

A 5 digit number is formed by using digits 1, 2, 3, 4 and 5 with no two digits same. What is the probability that… Read More

Aptitude

Aptitude-Probability

Probability

QA – Placement Quizzes

Aptitude | Probability | Question 6

What is the probability that a number selected from numbers [1,30] is prime number? (A) 1/3 (B) 2/7 (C) 5/9 (D) 5/30 Answer: (A) Explanation:… Read More

Aptitude

Aptitude-Probability

Probability

QA – Placement Quizzes

Aptitude | Probability | Question 4

4 dices are thrown simultaneously. What is the probability that all the dices show the same number. (A) 1/216 (B) 1/36 (C) 4/216 (D) 4/36… Read More

Aptitude

Aptitude-Probability

Probability

QA – Placement Quizzes

Aptitude | Probability | Question 3

A box contains 6 black, 5 brown and 2 yellow balls. If 2 balls are selected at random, what is the probability that both are… Read More

Aptitude

Aptitude-Probability

Probability

QA – Placement Quizzes

Aptitude | Probability | Question 1

A number p is chosen at random from the numbers [-3, 3]. What is the probability that value of p < 2 (A) 3/7 (B) 5/7… Read More

Probability

QA - Placement Quizzes

QA - Placement Quizzes-Probability

QA – Placement Quizzes

Aptitude | Syllogism | Question 1

Give answer as— A. if only conclusion I is true. B. if only conclusion II is true. C. if either conclusion I or conclusion II… Read More

Aptitude

Aptitude-Syllogism

Syllogism

QA – Placement Quizzes

Aptitude | Data Interpretation | Question 6

Study the following table carefully and answer the questions given below it: Number of Different categories of vehicles sold in the country over the years… Read More

Data Interpretation

QA - Placement Quizzes

QA - Placement Quizzes-Data Interpretation

QA – Placement Quizzes

Aptitude | Algebra | Question 6

If the value of b2 + 1⁄b2 = 1, then find the value of b3 + 1⁄b3 (A) -1/12 (B) -2 (C) -4 (D) None… Read More

Algebra

Aptitude

Aptitude-Algebra

Aptitude

Aptitude | Algebra | Question 2

The value of x+1/2x is given as 2, then find the value of 8x3+1/x3 (A) 40/3 (B) 20/7 (C) 28 (D) 40 Answer: (D)Explanation: x3… Read More

Algebra

Aptitude

Aptitude-Algebra

QA – Placement Quizzes