Questions

Assertion (A) & Reason (B) MCQ

🎯

Test yourself on this topic

2 questions · timed · auto-graded

MCQ 11 Mark
Assertion (A): The 11th term of an AP is 7, 9, 11, 13 is 67.
Reason (R): If $s_n$ is the sum of first $n$ terms of an AP then its $n$th term an is given by a $n=s_n+s_{n-1}$.
  • 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.
  • A is true but R is false.
  • D
    A is false but R is true.
Answer
Correct option: C.
A is true but R is false.
(c) A is true but R is false.
Explanation: A is true but R is false.
View full question & answer
MCQ 21 Mark
Assertion (A): A spherical glass vessel has a cylindrical neck 8 cm long, 2 cm in diameter; the diameter of the spherical part is 8.5 cm . By measuring the amount of water is holds, a child finds its volume to be $345 cm^3$.
Reason (R): To calculate the volume of vessel the expression used here is $v =\pi r ^2 h+\frac{4}{3} \pi r^3$.
  • 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.
View full question & answer
Assertion (A) & Reason (B) MCQ - Maths STD 10 Questions - Vidyadip