Aptitude · all questions

Algebra
practice.

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Open question

If a * b = 2a - 3b + ab, then 3 * 5 + 5 * 3 is equal to?

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Open question

p \times q = p + q + \frac{p}{q},

then the value of 8 × 2 is?

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Open question

The value of

(1 + \frac{1}{x})

(1 + \frac{1}{x + 1})

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

(1 + \frac{1}{x + 3})

is?

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Open question

\frac{a}{b} = \frac{2}{3}

and

\frac{b}{c} = \frac{4}{5},

then the ration

\frac{a + b}{b + c}

equal to?

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Open question

\frac{2 a + b}{a + 4 b} = 3,

then find the value of

\frac{a + b}{a + 2 b} = ?

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Open question

If a * b = a + b + ab, then 3 * 4 - 2 * 3 is equal to?

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Open question

If a : b = 2 : 3 and b : c = 4 : 5, find a² : b² : bc = ?

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Open question

A : B = \frac{1}{2} : \frac{3}{8},

B : C = \frac{1}{3} : \frac{5}{9}

and

C : D = \frac{5}{6} : \frac{3}{4},

then find the ratio of A : B : C : D = ?

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Open question

If A : B : C = 2 : 3 : 4, then

\frac{A}{B} : \frac{B}{C} : \frac{C}{A}

is equal to?

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Q10

Open question

\frac{144}{0.144} = \frac{14.4}{x},

then the value of x is?

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Q11

Open question

If 1 < x < 2, then the value of

(x - 1)^{2} + (3 - x)^{2} is?

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Q12

Open question

If a ⊕ b = (a × b) + b, then 5 ⊕ 7 equals to?

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Q13

Open question

Given that 10^0.48 = x, 10^0.70 = y and x^z = y², then the value of z is close to?

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Q14

Open question

If 47.2506 = 4A + 7B + 2C +

\frac{5}{D}

+ 6E, then the value of 5A + 3B + 6C + D + 3E is?

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Q15

Open question

If x * y = x² + y² - xy, then the value of 9 * 11 is?

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Q16

Open question

3^{x + 3} + 7 = 250,

then x is equal to?

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Q17

Open question

\frac{1}{4} \times

\frac{2}{6} \times

\frac{3}{8} \times

\frac{4}{10} \times

\frac{5}{12} \times

. . . . .

\times \frac{31}{64}

= \frac{1}{2 ^{x}}

then the value of x is?

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Q18

Open question

x = 3 + 22,

then the value of

(x - \frac{1}{x}) is?

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Q19

Open question

If p = 999, then the value of

\root 3 \of p (p^{2} + 3 p + 3) + 1 is?

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Q20

Open question

\frac{a}{b} = \frac{7}{9}, \frac{b}{c} = \frac{3}{5},

then the value of a : b : c is?

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Algebrapractice.

Algebra
practice.