# HackerRank Functions and Logarithm Quiz- 1

Question 1

Time: 00:00:00
Find the value $\log_{2}3125$ if $\log{5} = 0.698$

15.86

15.86

11.56

11.56

3.21

3.21

8.63

8.63

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Question 2

Time: 00:00:00
Find the number of points in which the function f(x) = $2x^{2} + 5x + 3 = 0$ touches x axis

1

1

2

2

3

3

'0'

'0'

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Question 3

Time: 00:00:00
Find the value of $\log{1.728} = 0.2375$.Then find value of $\log{1.2}$

0.0791

0.0791

0.1201

0.1201

0.0631

0.0631

0.2201

0.2201

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Question 4

Time: 00:00:00
Find the value of $\frac{\log10}{\log\sqrt{10}}$

100

100

10

10

1

1

None of these

None of these

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Question 5

Time: 00:00:00
f(x)=$\log{x}$. Then f(x)<0 when

x<0

x<0

-1<x<1

-1<x<1

0<x<1

0<x<1

-1<x<0

-1<x<0

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Question 6

Time: 00:00:00
Find the reminder when $x^{2} + 5x - 2$ is divided by (x + 2)

-8

-8

-4

-4

-2

-2

-1

-1

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Question 7

Time: 00:00:00
Find the value of function f(x) = $x^{4} - 4x^{3} + 2x^{2} + 7 = 0$ at x = -2

54

54

66

66

63

63

69

69

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Question 8

Time: 00:00:00
Find the value of x such that  $\log_{x}{1}$ = 0

10

10

1

1

e

e

can't say

can't say

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Question 9

Time: 00:00:00
Find the number of digits in $4^{27}$ if log(2) = 0.301

16

16

17

17

18

18

19

19

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Question 10

Time: 00:00:00
Find the value of  $\log_{2}{p}$ if  $\log_{3}{p} \times \log_{2}{9}$ = 2

1

1

3

3

9

9

'0'

'0'

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["0","40","60","80","100"]
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