Class 8

Rational Numbers question bank (Mathematics)

Practice 69 free Class 8 Mathematics - Rational Numbers questions with answers and step-by-step solutions.

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Q1.

What is the additive inverse of the rational number $-\dfrac{7}{19}$?


(A)
$\dfrac{7}{19}$
(B)
-\dfrac{19}{7}$
(C)
$\dfrac{19}{7}$
(D)
$1$
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Q2.

In Class 8 Mathematics, what is the primary definition or rule for 'Properties of Rational Numbers (Closure, Commutativity, Associativity)' in 'Rational Numbers'?


(A)
Standard mathematical definitions and properties governing Properties of Rational Numbers (Closure, Commutativity, Associativity)
(B)
Arbitrary rules with no proof
(C)
Guessing answers without steps
(D)
None of the above
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