MCQ
Class width of any class interval is ....
- ALower limit + upper limit
- BLower limit-upper limit
- ✓Upper limit - lower limit
- DNone of the above.
✓
Answer
Correct option: C.
Upper limit - lower limit
Upper limit - lower limit
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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:
→Each question consists of two statements, namely, Assertion $(A)$ and Reason $(R)$. For selecting the correct answer, use the following code:
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Assertion $(A)$
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Reason $(R)$
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If the radii of the circular ends of a bucket $24\ cm$ high are $15\ cm$ and $5\ cm$ respectively, then the surface area of the bucket is $545\pi\text{cm}^2.$
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if the radii of the circular ends of the frustum of a cone are $R$ and $r$ respectively and its height is $h,$ surface area is:
$\pi\big\{\text{R}^2+\text{r}^2+\text{l}(\text{R}-\text{r})\big\}$
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