MCQ
If $\text{a}=\frac{1}{\sqrt[3]{\text{b}}}$ ,then $b$ is:
- A$\text{a}^3$
- B$\sqrt{a}$
- ✓$\frac{1}{\text{a}^3}$
- D$\sqrt[3]{a}$
Given $\text{a}=\frac{1}{\sqrt[3]{\text{b}}}$
$\Rightarrow \text{a}\frac{1}{(\text{b})^\frac{1}{3}}$
Cubing both the sides we get,
$\text{a}^3=\Bigg(\frac{1}{\text{b}^{\frac{1}{3}}}\Bigg)^3=\frac {1}{\text{b}}$
$\Rightarrow\text{b}=\frac{1}{\text{a}^3}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
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Range of Marks Obtained
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Number of students
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$250–300$
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$10$
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$300–350$
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$12$
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$350–400$
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$14$
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$400–450$
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$13$
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$450–500$
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$11$
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