Cognizant Logarithm Quiz-1

Question 1

Time: 00:00:00
If logxY = 100 and log2X = 10 then the value of Y is

21000

21000

210

210

2100

2100

210000

210000

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Question 2

Time: 00:00:00
What is the value of log(ab^2) - log(ac) + log(abc^4) - 3log(bc)?

1

1

-2

-2

2

2

-1

-1

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Question 3

Time: 00:00:00
The value of log 9/8 - log 27/32 + log3/4 is ?

2

2

1

1

-2

-2

zero

zero

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Question 4

Time: 00:00:00
The simplified form of log(75/16) -2 log(5/9) +log(32/243) is ?

log 2

log 2

2 log 2

2 log 2

log 3

log 3

log 5

log 5

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Question 5

Time: 00:00:00
Find the value of log (a^2 / bc) + log (b^2 / ac) + log (c^2 / ab) ?

1

1

- 1

- 1

- 2

- 2

zero

zero

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Question 6

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

log a 1

log a 1

log 0

log 0

a log 1

a log 1

log 1

log 1

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Question 7

Time: 00:00:00
If 10^0.3010 = 2, then find the value of log0.125 (125) ?

699 / 301

699 / 301

- 699 / 301

- 699 / 301

7

7

None of these

None of these

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Question 8

Time: 00:00:00
log10 (10) + log10 (100) + log10 (1000) + log10 (10000) + log10 (100000) is equal to ?

log 11111

log 11111

15

15

log10 (1111)

log10 (1111)

14 log10 (100)

14 log10 (100)

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Question 9

Time: 00:00:00
The value of log2 (1/64) is?

-6

-6

6

6

7

7

none of these

none of these

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Question 10

Time: 00:00:00
If log 125 / log 5 = x, then x is equal to ?

3

3

2

2

4

4

1/2

1/2

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