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Volume and Surface area of Solids — Maths STD 10 — Question

Maharashtra BoardEnglish MediumSTD 10MathsVolume and Surface area of Solids1 Mark
MCQ
Assertion and Reason Type
Each question consists of two statements, namely, Assertion $(A)$ and Reason $(R)$. For selecting the correct answer, use the following code:
Assertion $(A)$
Reason $(R)$
The curved surface area of a cone of base radius $3\ cm$ and height $4\ cm$ is $15\pi\text{cm}^2$
Volume of a cone $\pi\text{r}^2\text{h}$
  • A
    Both Assertion $(A)$ and Reason $(R)$ are true and Reason $(R)$ is a correct explanation of Assertion $(A).$
  • B
    Both Assertion $(A)$ and Reason $(R)$ are true but Reason $(R)$ is not a correct explanation of Assertion $(A).$
  • ✓
    Assertion $(A)$ is true and Reason $(R)$ is false.
  • D
    Assertion $(A)$ is false and Reason $(R)$ is true.
✓

Answer

Correct option: C.
Assertion $(A)$ is true and Reason $(R)$ is false.
Assertion $(A)$ is true and Reason $(R)$ is false.

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