GMAT Number Properties Section 7: Roots

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GMAT Number Properties

		Section 1: Number Rules

		Section 2: Consecutive Numbers

		Section 3: Divisibility

		Section 4: Fractions

		Section 5: Decimals

		Section 6: Exponents

		Section 7: Roots & Radicals

		Section 8: Extra Questions

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Roots

Square Roots	Large Square Roots
√1 = 1	√121 = 11
√2 = 1.414	√144 = 12
√3 = 1.732	√225 = 15
√4 = 2	√400 = 20
√9 = 3	√625 = 25
√16 = 4	√900 = 30
√25 = 5	√1024 = 32
√36 = 6
√49 = 7
√64 = 8
√81 = 9
√100 = 10

Finding the square root of a number, or the number that when multiplied by itself equals the original number.

For example:

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Section 1:

Section 2:

Consecutive Numbers

Section 3:

Section 4:

Section 5:

Section 6:

Section 7:

Roots & Radicals

Section 8:

Sample Questions

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