Multiplying Rational Numbers

The video tutorial explains the multiplication of rational numbers, starting with the concept of multiplication as repeated addition. It provides examples, including multiplying fractions and negative rational numbers, and emphasizes the importance of simplifying fractions before multiplying. The tutorial concludes with steps for multiplying rational numbers and rules for handling signs.

What is the result of multiplying 4 baskets with 5 hens in each basket?

• 30

• 25

• 20

• 15

How can the number 5 be expressed as a rational number?

• 1/5

• 5/1

• 0/5

• 5/0

What is the result of multiplying 5 by 1/4?

• 1/4

• 5/4

• 5/1

• 1/5

If Aman bought 1 and 2/3 kg of cake, what is half of it?

• 1/3

• 2/3

• 3/2

• 3/4

What is the result of multiplying 3/2 by 1/2?

• 1/4

• 3/4

• 1/2

• 3/2

What is the result of multiplying 5/4 by 1/4?

• 5/16

• 1/16

• 1/4

• 5/4

What is the result of multiplying 3/4 by 2/3?

• 1

• 1/6

• 1/2

• 1/4

What is the result of multiplying 7/8 by 2/7?

• 1/2

• 1/8

• 1

• 1/4

What is the result of multiplying 9/10 by 1/9?

• 1/9

• 1

• 1/10

• 1/90

What is the result of multiplying 6/7 by 1/6?

• 1/7

• 1

• 1/42

• 1/6