Class 7

Rational Numbers question bank (Mathematics)

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Q1.

Consider the mathematical concept of 'Positive and Negative Rational Numbers' in the chapter 'Rational Numbers'. Which property holds true?


(A)
Standard algebraic/arithmetic axioms and identity theorems apply rigorously to Positive and Negative Rational Numbers
(B)
Equations cannot be verified by substitution
(C)
Commutative property never holds for addition
(D)
Negative numbers have no real meaning in algebra
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Q2.

In advanced problem-solving involving 'Positive and Negative Rational Numbers', which problem-solving approach is recommended by NCERT?


(A)
Relying on arbitrary estimation without proof
(B)
Skipping algebraic simplification
(C)
Formulating equations, simplifying step-by-step, and checking dimensional consistency for Positive and Negative Rational Numbers
(D)
Omitting units from the final answer
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