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## Indices and Surds Questions - Indices and Surds Quiz Details

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### Indices and Surds Aptitude Questions

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### Indices and Surds MCQ Quiz Answers with Solutions

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Online Test Name |
Indices and Surds |

Exam Type |
Multiple Choice Questions |

Category |
Aptitude Quiz |

Number of Questions |
30 |

Referring to the above tabular form will give the necessary details about Indices and Surds Aptitude Quiz. People who are in deep search about Indices and Surds MCQ Online test they can check this web page. With no effort, people can easily gain the data on relevant topics and Indices and Surds Aptitude Multiple Choice Questions. So stay tuned to our blog allindiaexams.in.

16. If y^{3} = 0.008, y^{5} = ?
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17. Solve for m if 3(√3)^{m+4} = (√3)^{2m+7}
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18. Identify the greatest numbers: 4^{50}, 2^{100}, 16^{25}
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Answer: Option D

Explanation:

4^{50} = (2^{2})^{50} = 2^{100} => 16^{25} = (2^{4})^{25} = 2^{100}

Hence, 4^{50}, 2^{100} and 164^{25} are all equal.

19. If x = 3 - √7, then find the value of x + 1/x.
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20. Which of the following is the greatest?
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Answer: Option C

Explanation:

5 > 4 and 1/2 > 1/4

5^{1/2} > 4^{1/4}

4^{1/4} cannot be the greatest. Hence 3^{1/4} also cannot be the greatest.

3^{7/10} = (3^{7})^{1/10} = (2187)^{1/10}

5^{1/2} = 5^{5/10} = (5^{5})^{1/10} = (3125)^{1/10}

6^{1/5} = 6^{2/10} = (6^{2})^{1/10} = (36)^{1/10}

As (3125)^{1/10} > (2187)^{1/10} > (36)^{1/10} , 5^{1/2} is the greatest.