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Question Detail
Evaluate \begin{aligned} \sqrt[3]{\sqrt{.000064}} \end{aligned}
- 0.0002
- 0.002
- 0.02
- 0.2
Answer: Option D
Explanation:
\begin{aligned} = \sqrt{.000064} \end{aligned}
\begin{aligned} = \sqrt{\frac{64}{10^6}} \end{aligned}
\begin{aligned} = \frac{8}{10^3} = .008 \end{aligned}
\begin{aligned} = \sqrt[3]{.008} \end{aligned}
\begin{aligned} = \sqrt[3]{\frac{8}{1000}} \end{aligned}
\begin{aligned} = \frac{2}{10} = 0.2 \end{aligned}
1. Evaluate
\begin{aligned}
\sqrt{248+\sqrt{64}}
\end{aligned}
- 14
- 26
- 16
- 36
Answer: Option C
Explanation:
\begin{aligned}
= \sqrt{248+\sqrt{64}}
\end{aligned}
\begin{aligned}
= \sqrt{248+8}
\end{aligned}
\begin{aligned}
= \sqrt{256}
\end{aligned}
\begin{aligned}
= 16
\end{aligned}
2. \begin{aligned} \sqrt{\frac{32.4}{x}} = 2 \end{aligned}
- 8
- 8.1
- 9
- 9.1
Answer: Option B
3. Find the value of x
\begin{aligned}
\frac{2707}{\sqrt{x}} = 27.07
\end{aligned}
- 1000
- 10000
- 10000000
- None of above
Answer: Option B
Explanation:
\begin{aligned}
= \frac{2707}{27.07} = \sqrt{x}
\end{aligned}
\begin{aligned}
=> \frac{2707 \times 100}{2707} = \sqrt{x}
\end{aligned}
\begin{aligned}
=> 100 = \sqrt{x}
\end{aligned}
\begin{aligned}
=> x = 100^2 = 10000
\end{aligned}
4. Evaluate \begin{aligned}
\sqrt{1471369}
\end{aligned}
- 1213
- 1223
- 1233
- 1243
Answer: Option A
5. Evaluate
\begin{aligned}
\sqrt{53824}
\end{aligned}
- 132
- 232
- 242
- 253
Answer: Option B
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