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MATHS Assertion (A) & Reason (B) MCQ

Integers · Gujarat Board (GSEB) STD 7 (GSEB - English Medium). 5 questions.

Questions

Assertion (A) & Reason (B) MCQ

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5 questions · timed · auto-graded

MCQ 11 Mark
Assertion (A) $(-32) \div4=8$.
Reason (R) When we divide a negative integer by a positive integer, then we get a negative integer.
  • 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.
  • C
    A is true but R is false.
  • ✓
    A is false but R is true.
Answer
Correct option: D.
A is false but R is true.
d
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MCQ 21 Mark
Assertion (A) The multiplicative inverse of $\frac{-1}{7}$ is 1.
Reason (R) $-\frac{1}{7} \times(-7)=1$
  • 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.
  • C
    A is true but R is false.
  • ✓
    A is false but R is true.
Answer
Correct option: D.
A is false but R is true.
d
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MCQ 31 Mark
Assertion (A) $23 \times 1=23$
Reason (R) Any number when multiplied by 1, results in the number itself.
  • ✓
    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 true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
a
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MCQ 41 Mark
Assertion (A) The product of 14 and (-10) is 140.
$14 \times(-10)=140$
Reason (R) If one positive and one negative integer are multiplied, then the result is a negative integer.
  • 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.
  • C
    A is true but R is false.
  • ✓
    A is false but R is true.
Answer
Correct option: D.
A is false but R is true.
d
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MCQ 51 Mark
Assertion (A) For any two integers 8 and -6,
$8-(-6) \neq-6-8$
Reason (R) Subtraction is not commutative for integers.
  • ✓
    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 true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: A.
Both A and R are true and R is the correct explanation of A.
a
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