Aptitude · all questions

Algebra
practice.

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548

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Q541

If 4(4x + 5) > 2x - 1 > 4x - 3, then the value of x is:

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Q542

\frac{4 [ ( 17 ) ^{3} - ( 7 ) ^{3} ]}{( 17 ^{2} + 7 ^{2} + p )} = 40,

then what is the value of p?

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Q543

\frac{3 ( x ^{2} + 1 ) - 7 x}{3 x} = 6,

x ≠ 0 the value

x + \frac{1}{x}

is:

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Q544

If x = 255, y = 256, z = 257, then find the value of x³ + y³ + z³ - 3xyz.

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Q545

(1 - p^{2}) (1 - q^{2}) = \frac{3}{2},

then what is the value of

2 p^{2} + 2 q^{2} + 2 pq + 2 p^{2} + 2 q^{2} - 2 pq ?

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Q546

If (4x + 2y)³ + (4x - 2y)³ = 16(Ax³ + Bxy²), then what is the value of

\frac{1}{2} (A^{2} + B^{2}) ?

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Q547

x + \frac{4}{x} - 4 = 0,

then the value of x² - 4 is equal to:

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Q548

If 4x² - 6x + 1 = 0, then the value of

8 x^{3} + \frac{1}{8 x ^{3}}

is:

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Algebrapractice.