Goa Board (GBSHSE) - Class 6

Number Systems, Algebra & Geometry question bank (Mathematics (Class 6))

Practice 325 free Goa Board (GBSHSE) - Class 6 Mathematics (Class 6) - Number Systems, Algebra & Geometry questions with answers and step-by-step solutions.

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Q1.

Algebraic Identities: Which expansion is correct for 'Knowing Our Numbers, Whole Numbers and Integers'?

(A)

$(a+b)^2 = a^2 + 2ab + b^2$ or $(a-b)(a+b) = a^2 - b^2$ (Knowing Our Numbers, Whole Numbers and Integers)

(B)

$a^2 + b^2$ only

(C)

Arbitrary expression

(D)

None of these

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Q2.

Exponents & Powers: In 'Knowing Our Numbers, Whole Numbers and Integers', what is the value using laws of exponents $a^m \times a^n = a^{m+n}$?

(A)

Accurate exponential simplified form (Knowing Our Numbers, Whole Numbers and Integers)

(B)

$a^{{m \times n}}$

(C)

Zero

(D)

None of these

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