What is the value of x ? 98 × 65 = x × ( 100 - 2 )

We need to find the value of x in 98 × 65 = x × 100 - 2 . Simplifying the operation inside the brackets, 98 × 65 = x × 98 Observe that in the right-hand side of the above equation, the order of the product has been changed. Using the commutative law, that is a × b = b × a , we can write, 98 × 65 = 98 × x As both sides of the equations should have the same value, we get the value of x as 65 .

What is the value of 125 × 94 × 8 ?

We need to find the value of 125 × 94 × 8 . We multiply the first and the last numbers first. Rewriting the expression as: 125 × 8 × 94 = 1000 × 94 = 94000 Therefore, the value of 125 × 94 × 8 is 94000 .

E M B I B E

Mental Maths 6>Chapter 2 - Whole Numbers>Exercise 2

Subject Experts Solutions for Chapter: Whole Numbers, Exercise 2: Exercise 2

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Subject Experts Mathematics Solutions for Exercise - Subject Experts Solutions for Chapter: Whole Numbers, Exercise 2: Exercise 2

Attempt the practice questions on Chapter 2: Whole Numbers, Exercise 2: Exercise 2 with hints and solutions to strengthen your understanding. Mental Maths 6 solutions are prepared by Experienced Embibe Experts.