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DXC Technology Logarithms Questions and Answers Quiz-1

Question 1

Time: 00:00:00
Find the value of x in equation given 8x+1 – 8x-1 = 63

1

1

2

2

3

3

4

4

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Question 2

Time: 00:00:00
ind the value of x for the eq. given log0.25x = 16

4-16

4-16

4-14

4-14

4-13

4-13

4-12

4-12

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Question 3

Time: 00:00:00
Solve the equation log121728 x log96561

10

10

11

11

12

12

14

14

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Question 4

Time: 00:00:00
Solve for x
logx3 + logx9 + logx27 + logx81 = 10

3

3

5

5

4

4

6

6

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Question 5

Time: 00:00:00
If log(a + 3 ) + log(a – 3) = 1 ,then a=?

√19

√19

√21

√21

√20

√20

√23

√23

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Question 6

Time: 00:00:00
1/logab(abcd) + 1/logbc(abcd) + 1/logcd(abcd) + 1/logda(abcd) 

2

2

3

3

4

4

5

5

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Question 7

Time: 00:00:00
 If xyz = 10 , then solve log(xn yn / zn) + log(yn zn / xn) + log(zn xn / yn)

n/2

n/2

n

n

n/4

n/4

n/10

n/10

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Question 8

Time: 00:00:00
Find (121/10)x = 3

(log 3) / (2 log 11 – 1)

(log 3) / (2 log 11 – 1)

(log 3) / (2 log 12 – 1)

(log 3) / (2 log 12 – 1)

(log 3) / (2 log 13 – 1)

(log 3) / (2 log 13 – 1)

(log 4) / (2 log 11 – 1)

(log 4) / (2 log 11 – 1)

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Question 9

Time: 00:00:00
Solve log(2x2 + 17)= log (x – 3)2

-4,-2

-4,-2

4,5

4,5

6,7

6,7

-6,-7

-6,-7

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Question 10

Time: 00:00:00
log2(33 – 3x)= 10log(5 – x). Solve for x.

4

4

5

5

2

2

3

3

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