AMACAT Logarithm Question Answer 4

Question 1

Time: 00:00:00
Find the value of log 14(1/196)?


3

3

-2

-2

1

1

log 14

log 14

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Question 2

Time: 00:00:00
If log 16(x) = 14/28, then find the value of x.


4

4

16

16

14

14

log9

log9

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Question 3

Time: 00:00:00
If 12x = 120 find the value of x

0

0

1

1

x gets triple

x gets triple

None of these

None of these

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Question 4

Time: 00:00:00
If log 10 2 = 0.3010. Then find the value of number of digits in 278.


29

29

23

23

24

24

78

78

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Question 5

Time: 00:00:00
What is the value of log 1 200?

1

1

Does not exist

Does not exist

200

200

0

0

base 1 logarithms does not exist Log 1 200 = log [200]/ log [1] Log [200]/0 = does not exist

base 1 logarithms does not exist Log 1 200 = log [200]/ log [1] Log [200]/0 = does not exist

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Question 6

Time: 00:00:00
Find the value of 0-100. 

2

2

-9

-9

-2

-2

0

0

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Question 7

Time: 00:00:00
If a number is multiplied by 20 having the log base 20, then 
how the base will value of the number will change.

it remain same

it remain same

it increase by 1

it increase by 1

decrease by 1

decrease by 1

none of these

none of these

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Question 8

Time: 00:00:00
The logarithm of a number turns out to be the negative infinity. 
What can be infer about the number?

positive

positive

negative

negative

small positive

small positive

none of these

none of these

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Question 9

Time: 00:00:00
If n numbers are in arithmetic progression. What can be infer 
about their logarithms?

GP

GP

HP

HP

AP

AP

None of these

None of these

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Question 10

Time: 00:00:00
What is the value of log (a-b)?

loga x logb

loga x logb

log a – log b

log a – log b

log ab

log ab

none of these

none of these

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