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Maths Assertion (A) & Reason (B) MCQ

MODEL PAPER 6 (STANDARD) · CBSE STD 10 (CBSE - English Medium). 2 questions.

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Assertion (A) & Reason (B) MCQ

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2 questions · timed · auto-graded

MCQ 11 Mark
Assertion (A): Arithmetic mean between 8 and 12 is 10 .
Reason (R): Arithmetic mean between two numbers a and b is given as $\frac{a+b}{2}$.
  • ✓
    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) Both A and R are true and R is the correct explanation of A .
Explanation : Both A and R are true and R is the correct explanation of A .
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MCQ 21 Mark
Assertion (A): A sphere of radius 7 cm is mounted on the solid cone of radius 6 cm and height 8 cm . The volume of the combined solid is $1737.97 cm^3$.
Reason (R): Volume of sphere is $\frac{4}{3} \pi r^3$.
  • ✓
    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) Both A and R are true and R is the correct explanation of A.
Explanation : Both A and R are true and R is the correct explanation of A.
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Assertion (A) & Reason (B) MCQ - Maths STD 10 Questions - Vidyadip