Selina solutions

Selina solutions

Grade 6

Natural Numbers and Whole Numbers (Including Patterns) | Exercise 5(B)

Question 1

Q1) Consider two whole numbers a and b such that a is greater than b.

(i) Is a – b a whole number? Is this result always true?

(ii) b – a a whole number? Is this result always true?

Solution 1:

Let us take a as 2 and has 1

(i) a - b = 2 - 1 = 1,

Yes, a - b is a whole number and the result will always remain the same.

(ii) b - a = 1 - 2 = -1

No, a - b can never be a whole number. Yes the result always be true.

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subject-cta

Question 1

Q1) Consider two whole numbers a and b such that a is greater than b.

(i) Is a – b a whole number? Is this result always true?

(ii) b – a a whole number? Is this result always true?

Solution 1:

Let us take a as 2 and has 1

(i) a - b = 2 - 1 = 1,

Yes, a - b is a whole number and the result will always remain the same.

(ii) b - a = 1 - 2 = -1

No, a - b can never be a whole number. Yes the result always be true.

Still have questions? Our expert teachers can help you out

Book a free class now

Want to top your mathematics exam ?

Learn from an expert tutor.

Book a free class now
subject-cta
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