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Quantitative Aptitude

Number of Zeroes in a Number

Find the mini...

Question

Find the minimum value of a + 1/a , (a > 0)

A

2

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B

1

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C

3

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D

4

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E

5

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Solution

The correct option is A 2
Solution: Option (a)

As we know, AM > GM

Let the numbers be a,

[a + (1/a)] / 2 > [a x 1/a]^1/2 = 1, (a + 1/a) >2

Minimum value = 2.

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