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MATHS Assertion (A) & Reason (B) MCQ

Exponents and Powers · Gujarat Board (GSEB) STD 7 (GSEB - English Medium). 3 questions.

Questions

Assertion (A) & Reason (B) MCQ

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3 questions · auto-graded multiple-choice test.

MCQ 11 Mark
Assertion (A) When you raise a number to the power of zero, the result is always one.
Reason (R) This is a fundamental property of exponents and holds true for any number.
  • ✓
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is false but R is true.
  • D
    A is true but R is false.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
A
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MCQ 21 Mark
Assertion (A) For any two integers $x$ and $y, x^6 \div y^6$ is equal to $\left(\frac{x}{y}\right)^0$.
Reason (R) To divide powers with the same base, keep the base same and subtract the powers.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • ✓
    A is false but R is true.
  • D
    A is true but R is false.
Answer
Correct option: C.
A is false but R is true.
C
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MCQ 31 Mark
Assertion (A) When you multiply numbers with the different base but same exponents, you can add the exponents.
Reason (R) This property is known as the product of powers property in exponents.
  • A
    Both A and R are true and R is the correct explanation of A.
  • B
    Both A and R are true but R is not the correct explanation of A.
  • ✓
    A is false but R is true.
  • D
    A is true but R is false.
Answer
Correct option: C.
A is false but R is true.
C
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Assertion (A) & Reason (B) MCQ - MATHS STD 7 Questions - Vidyadip