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Correct Answers: | |

Wrong Answers: | |

Unattempted: |

### Question 1

What is cube root of 0.000729?

### Question 2

What is the value of $(√9 - 1/√9)^2$?

### Question 3

What is the value of ${√17}/3$ − $2/{√17}$?

**A**

${11√17}/51$.

**B**

${-11√17}/51$.

**C**

${9√17}/51$.

**D**

${-9√17}/51$.

**Soln.**

**Ans: a**

The given expression can be simplified to ${{(√17)^2} - 3 × 2}/{3 × √17}$, which is same as ${17 - 6}/{3 × √17}$, which is same as ${11/{3 × √17}$. Rationalizing, we get ${11/{3 × √17} × {√17/√17}$ which gives ${11√17}/51$

### Question 4

What is the least number that should be subtracted from 0.0509 to make it a perfect square?

### Question 5

What is √0.0009?

### More Chapters | See All...

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This Blog Post/Article "Square and Cube Roots Quiz Set 007" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

Updated on 2017-04-07.

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