Quantitative Aptitude for Competitive Examinations>Chapter 28 - Elementary Algebra>Practice Problems Level 2>Q 15

EASY

CAT

IMPORTANT

Earn 100

The value of the expression $x^{4} - 17 x^{3} + 17 x^{2} - 17 x + 17$ at $x = 16$ is______.

50% studentsanswered this correctly

Important Questions on Elementary Algebra

EASY

CAT

IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 28 - Elementary Algebra>Practice Problems Level 2>Q 16

If

\frac{1}{x} = \frac{1}{y} + \frac{1}{z}

, then

z

equals______.

EASY

CAT

IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 28 - Elementary Algebra>Practice Problems Level 2>Q 17

If

x : y : z : : 1 : 3 : 5

, then the value of

\sqrt{\frac{x^{2} + 7 y^{2} + 9 z^{2}}{x}}

is______.

EASY

CAT

IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 28 - Elementary Algebra>Practice Problems Level 2>Q 18

If

x^{3} + y^{3} = 36

and

x + y = 6

, then the value of

\frac{1}{x} + \frac{1}{y}

is_______.

EASY

CAT

IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 28 - Elementary Algebra>Practice Problems Level 2>Q 19

If

a^{2} + b^{2} + c^{2} + 3 = 2 (a - b - c)

then the value of

(a + b + c)

is_______

EASY

CAT

IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 28 - Elementary Algebra>Practice Problems Level 2>Q 20

If

a + b + c + d = 1

, then the maximum value of

(1 + a) (1 + b) (1 + c) (1 + d)

is______.

EASY

CAT

IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 28 - Elementary Algebra>Practice Problems Level 2>Q 21

If

x^{2} + y^{2} + \frac{1}{x^{2}} + \frac{1}{y^{2}} = 4

, then the value of

x^{2} + y^{2}

is______.

EASY

CAT

IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 28 - Elementary Algebra>Practice Problems Level 2>Q 22

If

2 x + \frac{1}{3 x} = 5

, then the value of

\frac{5 x}{6 x^{2} + 20 x + 1}

is______.

EASY

CAT

IMPORTANT

Quantitative Aptitude for Competitive Examinations>Chapter 28 - Elementary Algebra>Practice Problems Level 2>Q 23

If

\frac{5 x - 3}{x} + \frac{5 y - 3}{y} + \frac{5 z - 3}{z} = 0

, then

\frac{1}{x} + \frac{1}{y} + \frac{1}{z}

is______.