Aptitude · all questions

Algebra
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

548

Questions

12/28

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Q221

Open question

If x = z = 225 and y = 226, then the value of x³ + y³ + z³ - 3xyz = ?

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Q222

Open question

x^{2} + x = 5,

then the value of

(x + 3)^{3} + \frac{1}{( x + 3 ) ^{3}} = ?

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Q223

Open question

If m = -4, n = -2,then the value of m³ - 3m² + 3m + 3n + 3n² + n³ is?

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Q224

Open question

If x = 332, y = 333, z = 335, then the value of x³ + y³ + z³ - 3xyz is?

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Q225

Open question

2 + x 3

\frac{1}{2 + 3},

then the simplest value of x is?

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Q226

Open question

\frac{m - a ^{2}}{b ^{2} + c ^{2}}

\frac{m - b ^{2}}{c ^{2} + a ^{2}}

\frac{m - c ^{2}}{a ^{2} + b ^{2}}

= 3, then the value of m is?

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Q227

Open question

If m - 5n = 2, then the value of (m³ - 125n³ - 30mn) is?

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Q228

Open question

x + \frac{1}{x} = 2,

then the value of

x^{12} - \frac{1}{x ^{12}}

is?

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Q229

Open question

x + \frac{1}{x} = 1,

then the value of

\frac{x ^{2} + 3 x + 1}{x ^{2} + 7 x + 1}

is?

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Q230

Open question

x + (\frac{1}{x}) = 2,

then the value of

x^{7} + (\frac{1}{x ^{5}})

is?

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Q231

Open question

If 999x + 888y = 1332 and 888x + 999y = 555, then the value of x + y is?

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Q232

Open question

If a² + b² + c² = ab + bc + ca, then the value of

\frac{a + c}{b}

is?

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Q233

Open question

If a + b = 1, find the value of a³ + b³ - ab - (a² - b²)² = ?

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Q234

Open question

a - \frac{1}{a - 3} = 5,

then the value of

(a - 3)^{3}

\frac{1}{( a - 3 ) ^{3}} = ?

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Q235

Open question

(3x - 2y) : (2x + 3y) = 5 : 6, then one of the value of

(\frac{\root 3 \of x + \root 3 \of y}{\root 3 \of x - \root 3 \of y})^{2}

is?

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Q236

Open question

x - 3 - 2 = 0

and

y - 3 + 2,

then the value of

(x^{3} - 202) -

(y^{3} + 22) ?

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Q237

Open question

3(a² + b² + c²) = (a + b + c)² then the relation between a, b and c is ?

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Q238

Open question

m = 5 + 5 + 5.....

and

n = 5 - 5 - 5.....

then among the following the relation between m & n holds is?

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Q239

Open question

If 2s = a + b + c, then the value of s(s - c) + (s - a) (s - b) is?

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Q240

Open question

When x^m is multiplied by xⁿ, product is 1. The relation between m and n is?

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Algebrapractice.

Algebra
practice.