# Question Bank Solutions for ICSE Class 8 - CISCE - Mathematics

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For each set of rational number, given below, verify the associative property of addition of rational number:

(ii) (-2)/5, 4/15 and (-7)/10

[0.011000000000000001] Rational Numbers
Chapter: [0.011000000000000001] Rational Numbers
Concept: Concept of Rational Numbers

For each set of rational number, given below, verify the associative property of addition of rational number:

(iii)  (-7)/9,2/3 and (-5)/18

[0.011000000000000001] Rational Numbers
Chapter: [0.011000000000000001] Rational Numbers
Concept: Concept of Rational Numbers

For each set of rational number, given below, verify the associative property of addition of rational number:

(iv) -1, 5/6 and (-2)/3

[0.011000000000000001] Rational Numbers
Chapter: [0.011000000000000001] Rational Numbers
Concept: Concept of Rational Numbers

State, True Or False

7/9=(7+5)/(9+5)

[0.011000000000000001] Rational Numbers
Chapter: [0.011000000000000001] Rational Numbers
Concept: Concept of Rational Numbers

State, True Or False

7/9=(-7-5)/(9-5)

[0.011000000000000001] Rational Numbers
Chapter: [0.011000000000000001] Rational Numbers
Concept: Concept of Rational Numbers

State, True Or False

7/9=(7xx5)/(9xx5)

[0.011000000000000001] Rational Numbers
Chapter: [0.011000000000000001] Rational Numbers
Concept: Concept of Rational Numbers

State, True Or False

7/9=(7÷5)/(9÷5)

[0.011000000000000001] Rational Numbers
Chapter: [0.011000000000000001] Rational Numbers
Concept: Concept of Rational Numbers

State, true or false

(-5)/(-12 is a negative rational number

[0.011000000000000001] Rational Numbers
Chapter: [0.011000000000000001] Rational Numbers
Concept: Concept of Rational Numbers

State, true or false

(-13)/25 is smaller than (-25)/13

[0.011000000000000001] Rational Numbers
Chapter: [0.011000000000000001] Rational Numbers
Concept: Concept of Rational Numbers

Insert one rational number between (0 7 and 8 (ii) 3.5 and 5.
2 and 3.2

[0.011000000000000001] Rational Numbers
Chapter: [0.011000000000000001] Rational Numbers
Concept: Concept of Rational Numbers

Insert one rational number between (0 7 and 8 (ii) 3.5 and 5.

3.5 and 5

[0.011000000000000001] Rational Numbers
Chapter: [0.011000000000000001] Rational Numbers
Concept: Concept of Rational Numbers

Insert one rational number between (0 7 and 8 (ii) 3.5 and 5.

2 and 3.2

[0.011000000000000001] Rational Numbers
Chapter: [0.011000000000000001] Rational Numbers
Concept: Concept of Rational Numbers

Insert one rational number between (0 7 and 8 (ii) 3.5 and 5.

4.2 and 3.6

[0.011000000000000001] Rational Numbers
Chapter: [0.011000000000000001] Rational Numbers
Concept: Concept of Rational Numbers

Insert one rational number between (0 7 and 8 (ii) 3.5 and 5.

1/2 and 2

[0.011000000000000001] Rational Numbers
Chapter: [0.011000000000000001] Rational Numbers
Concept: Concept of Rational Numbers

Evaluate:

(3^-1xx9^-1)÷3^-2

[0.012] Exponents
Chapter: [0.012] Exponents
Concept: Concept of Exponents

Evaluate:

(3^-1xx4^-1)÷6^-1

[0.012] Exponents
Chapter: [0.012] Exponents
Concept: Concept of Exponents

Evaluate:

(2^-1+3^-1)^3

[0.012] Exponents
Chapter: [0.012] Exponents
Concept: Concept of Exponents

Evaluate:

(3^-1÷4^-1)^2

[0.012] Exponents
Chapter: [0.012] Exponents
Concept: Concept of Exponents

Evaluate:

(2^2+3^2)xx(1/2)^2

[0.012] Exponents
Chapter: [0.012] Exponents
Concept: Concept of Exponents

Evaluate:

(5^2-3^2)xx(2/3)^-3

[0.012] Exponents
Chapter: [0.012] Exponents
Concept: Concept of Exponents
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