## ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 1 Rational Numbers Ex 1.2

Question 1.

Subtract:

Solution:

Question 2.

Sum of two rational numbers is . If one of them is , find the other.

Solution:

Question 3.

What rational number should be added to to get ?

Solution:

Question 4.

What rational number should be subtracted from -4 to get -3 ?

Solution:

Question 5.

Subtract the sum of and from the sum of and .

Solution:

Question 6.

If x = and y = , then verify that x – y ≠ y – x.

Solution:

Question 7.

If x = , y = and z = , then verify that x – (y – z) ≠ (x – y) – z

Solution:

Question 8.

Which of the following statement is true/fasle?

(i) is not a rational number.

(ii) is the additive inverse of .

(iii) 0 is the additive inverse of its own.

(iv) Commutative property holds for subtraction of rational numbers.

(v) Associative property does not hold for subtraction of rational numbers.

(vi) 0 is the identity element for subtraction of rational numbers.

Solution:

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