The expression $$\sqrt {10 + 2\left( {\sqrt 6 - \sqrt {15} - \sqrt {10} } \right)} $$ is equal to:
A. √3 + √2 - √5
B. √3 - √2 - √5
C. √3 - √2 + √5
D. √2 - √3 - √5
Answer: Option A
This Question Belongs to Arithmetic Ability >> Surds And Indices
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A. $$\frac{1}{2}$$
B. 1
C. 2
D. $$\frac{7}{2}$$
Given that 100.48 = x, 100.70 = y and xz = y2, then the value of z is close to:
A. 1.45
B. 1.88
C. 2.9
D. 3.7
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