A) Rs. 520
B) Rs. 524
C) Rs. 528
D) Rs. 532
Correct Answer: C
Solution :
[c] \[l=\sqrt{{{h}^{2}}+{{r}^{2}}}\] \[=\sqrt{{{16}^{2}}+{{12}^{2}}}=20\,cm\] \[\therefore \] Cost of painting \[=\frac{22}{7}\times 12\times 20\times 0.70=\text{Rs}.\,528\] |
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