NTT Data Surds and Indices Quiz -1

Question 1

Time: 00:00:00
If $19^x = 6859$, then find $5^(2x-7)$.

0.4

0.4

0.5

0.5

0.2

0.2

10

10

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Question 2

Time: 00:00:00
If $3^{(5n-2)} = \frac{1}{27^{(n-2)}}$ , then the value of n is:

1

1

2

2

3

3

4

4

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Question 3

Time: 00:00:00
(19)^{4.5}\times (19)^x = 19^9[\latex]. Find the value of x.

2.7

2.7

4.5

4.5

3.2

3.2

6.8

6.8

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Question 4

Time: 00:00:00
Simplify $3^{-2}\times 81^{\frac{3}{4}}\div (729)^{\frac{-1}{3}}$

27

27

9

9

35

35

21

21

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Question 5

Time: 00:00:00
$36\times 6\times 216=6^?$

4

4

6

6

5

5

7

7

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Question 6

Time: 00:00:00
If a and b are whole numbers such that $a^b = 144$, the value of $(a - 2)^{(2b)}$ is

729

729

434

434

1000

1000

10000

10000

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Question 7

Time: 00:00:00
If x=(3+2√2), what is the value of [√x - (1/√x)]

1

1

2

2

4

4

6

6

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Question 8

Time: 00:00:00
$(6)^5\times (36)^9\div (216)^4 = (6)^?$

11

11

7

7

9

9

10

10

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Question 9

Time: 00:00:00
(7-1 - 11-1) + (7-1 + 11-1) = ?

7-2

7-2

2 × 7-2

2 × 7-2

7-1

7-1

2 × 7-1

2 × 7-1

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Question 10

Time: 00:00:00
$\frac{(32)^{\frac{n}{5}}\times 2^{2n+1}}{4^{n}\times 2^{n-1}}$=?

4

4

16

16

32

32

64

64

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