Logarithms Quiz-1

Question 1

Time: 00:00:00
Evaluate the value of \log_{2}512

7

7

5

5

9

9

6

6

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Question 2

Time: 00:00:00
If \log_{x}y=22 and \log_{3}x = 4, then the value of y is:

3^{88}

3^{88}

4^{66}

4^{66}

6^{88}

6^{88}

6^{44}

6^{44}

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Question 3

Time: 00:00:00
Find the value of :  \left ( \frac{\log a}{\log \sqrt{a}} \right )^3

5

5

8

8

12

12

6

6

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Question 4

Time: 00:00:00
If \log_{10}8=p, then \log_{10}(\frac{1}{80})will be equal to:

-(p-1)

-(p-1)

(p-1)

(p-1)

(p+1)

(p+1)

-(p+1)

-(p+1)

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Question 5

Time: 00:00:00
If the value of \log_{10}9= 0.9542, then find the value of \log_{9}10

1.724

1.724

1.047

1.047

1.396

1.396

1.223

1.223

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Question 6

Time: 00:00:00
Find the value of  \frac{1}{\log_{5} 60}+\frac{1}{\log_{3} 60}+\frac{1}{\log_{4} 60}

zero

zero

1

1

1/2

1/2

2

2

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Question 7

Time: 00:00:00
Find the value of : \log_{2} (pq)^2.

2(\log_{2} p+\log_{2} q)

2(\log_{2} p+\log_{2} q)

2(2\log_{2} p+\log_{2} q)

2(2\log_{2} p+\log_{2} q)

(2\log_{2} p+\log_{2} q)

(2\log_{2} p+\log_{2} q)

(\log_{2} p+2\log_{2} q)

(\log_{2} p+2\log_{2} q)

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Question 8

Time: 00:00:00
If  \log_{2} (p+q)=\log_{2} 10\log_{2} (pq)=4 ; Find the value of (p-q)

3

3

5

5

6

6

8

8

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Question 9

Time: 00:00:00
If the value of  log 7 = 0.845, then find the number of digits in 720

12

12

17

17

19

19

23

23

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Question 10

Time: 00:00:00
If log (1/p) + log p + log (1/q) + log q = log (p+q), then, find the value of (p + q)= ?

zero

zero

1/2

1/2

1

1

2

2

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