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Logarithms Quiz-1

Question 1

Time: 00:00:00
log xY = 343 and log7x = 9, then the value of y is

73087

73087

73187

73187

72987

72987

73077

73077

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Question 2

Time: 00:00:00
What is the value of log(pq5) - log(pr) + log(pqr9) - 7log(qr)?

logq pr

logq pr

logp qr

logp qr

logp pr

logp pr

logr pqr

logr pqr

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Question 3

Time: 00:00:00
The value of log 25/4 - log 125/16 + log5/4 is ?

2

2

-2

-2

Zero

Zero

1

1

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Question 4

Time: 00:00:00
The simplified form of log(72/9) -  log(96/125) +log(36/250) is ?

log (3/2)

log (3/2)

1

1

log2

log2

log(2/3)

log(2/3)

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Question 5

Time: 00:00:00
Find the value of

log(\frac{x^{4}}{y^{2}z^{2}})+log(\frac{y^{4}}{x^{2}z^{2}})+log(\frac{z^{4}}{x^{2}y^{2}})

699 / 301

699 / 301

zero

zero

- 1

- 1

- 2

- 2

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Question 6

Time: 00:00:00
The equation logb (p) + logb (1+p)=0 can be written as ?

p² + p - 1 = 0

p² + p - 1 = 0

p² + p +1 = 0

p² + p +1 = 0

p² - p -1 = 0

p² - p -1 = 0

p² - p -2= 0

p² - p -2= 0

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Question 7

Time: 00:00:00
log2 (2) + log2 (4) + log2 (8) + log2 (16) + log2 (32) is equal to ?

2

2

15

15

4

4

1 / 2

1 / 2

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Question 8

Time: 00:00:00
The value of log7 (1/2401) is?

4

4

6

6

5

5

3

3

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Question 9

Time: 00:00:00
If log 14641 / log 11 = x, then x is equal to ?

4

4

3

3

5

5

7

7

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Question 10

Time: 00:00:00
If log x =\frac{1}{2} log y = \frac{1}{5}log z, the value of x^{4}\times y^{3}\times z^{-2} is:

1

1

6

6

3

3

9

9

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