Do You Know Percentages?

Algebra Level 2

1 % × 25 % × 100 % = ? \sqrt{1\%\times25\%\times100\%} = \, ?

5 % 5 \% 50 % 50 \% 2500 % 2500 \% 5 5 50 50 2500 2500 Taking the square root of percentages is meaningless

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Aareyan Manzoor by Aareyan Manzoor , 18, USA

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2 solutions

Aareyan Manzoor
Jan 1, 2016

1 100 × 25 100 × 100 100 = 25 10 0 2 = 5 100 = 5 % \sqrt{\dfrac{1}{100}\times\dfrac{25}{100}\times\dfrac{100}{100}}=\sqrt{\dfrac{25}{100^2}}=\dfrac{5}{100}=5\%

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Great solution

Arun Garg - 5 years, 2 months ago
Champ Luci Fer
Jan 7, 2016

See percentage in terms of probability. Such as :

1% corresponds to 0.01 probability of an event

25% corresponds to 0.25 probability of an event

100% corresponds to 1 probability of an event

Hence substitute the corresponding values to get 0.05 as the solution of the sqrt term.

Which this corresponds to 5% probability

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