JavaScript Mastery from Zero to Hero - Prepare for Coding Interviews - The Remainder Operator in JavaScript - II

The video tutorial explains the concept of remainders in division, using group analogies to illustrate how remainders work. It highlights the importance of maximizing groups and demonstrates practical applications of remainders in programming, such as randomization and setting ranges. The tutorial also covers how to determine if a number is even or odd using remainders, providing coding examples to automate this process. The video aims to simplify the understanding of remainders and their applications in both mathematics and programming.

What is the remainder when dividing 7 into groups of 3?

• 4

• 2

• 1

• 0

Why is understanding remainders important in programming?

• They are essential for data encryption.

• They help in solving algebraic equations.

• They are used for randomization and setting ranges.

• They simplify complex calculations.

How can you determine if a number is even using remainders?

• Divide by 5 and check if the remainder is 2.

• Divide by 2 and check if the remainder is 0.

• Divide by 3 and check if the remainder is 1.

• Divide by 4 and check if the remainder is 3.

What is the remainder when 13 is divided by 2?

• 1

• 3

• 0

• 2

Which of the following numbers is even?

• 14

• 15

• 13

• 11