Scala & Spark-Master Big Data with Scala and Spark - Quiz (For Loop)

The video introduces a quiz task where students are asked to write code to calculate the factorial of a given number. The concept of factorial is explained with examples, such as calculating the factorial of 5, 3, and 7. The video concludes by encouraging students to solve the quiz and mentions that the solution will be discussed in the next video.

What is the task given in the quiz?

• Write a code to calculate the square of a number.

• Write a code to determine if a number is prime.

• Write a code to calculate the factorial of a number.

• Write a code to find the sum of two numbers.

How is the factorial of 5 calculated?

• 1 * 2 * 3 * 4 * 5

• 1 + 2 + 3 + 4 + 5

• 5 + 4 + 3 + 2 + 1

• 5 * 4 * 3 * 2 * 1

What is the factorial of 3?

• 5

• 3

• 9

• 6

Which of the following is the correct factorial of 7?

• 7 * 6 * 5 * 4 * 3 * 2 * 1

• 1 + 2 + 3 + 4 + 5 + 6 + 7

• 1 * 2 * 3 * 4 * 5 * 6 * 7

• 7 + 6 + 5 + 4 + 3 + 2 + 1

What will be discussed in the next video?

• The solution to the factorial problem.

• The history of factorials.

• A new topic on prime numbers.

• A quiz on addition.