Surds, Indices and Logarithms

Logarithm properties, calculations, and equation solving

15 Questions Published

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Questions

Question 1 Multiple Choice (Single Answer)

The value of log 256 to base 4 is

4
16
5
9
None of these

Question 2 Multiple Choice (Single Answer)

The value of log 5 is (Given: log 2 = 0.3010)

0.6990
1.6990
0.3010
0.1555
None of these

Question 3 Multiple Choice (Single Answer)

The value of log 0.00001 is

- 2
- 3
- 5
- 4
None of these

Question 4 Multiple Choice (Single Answer)

The value of log 3125 to base 5 is

3
5
4
2
None of these

Question 5 Multiple Choice (Single Answer)

The value of log 6 + log 5 is

log 11
log 30
log 6/5
log 5/6
None of these

Question 6 Multiple Choice (Single Answer)

The value of log 72 is

log 36 + log 36
log 2 + log 144
2log 3 + 3log 2
log 10
None of these

Question 7 Multiple Choice (Single Answer)

If 3log x = 6log 3, then x is equal to

8
9
10
12
None of these

Question 8 Multiple Choice (Single Answer)

If log a = x - y and log b = x + y, then log 10b/a^2 will be in terms of x and y as

1 - x + y
1 - x - y
1 + x - y
- 1 + x + y
None of these

Question 9 Multiple Choice (Single Answer)

Find the value of log 729 to base 3.

6
3
4
2.5
None of these

Question 10 Multiple Choice (Single Answer)

The value of log ab + log bc + log ca - log abc is

log abc
log ab^2 c
log a^2bc
log abc^2
None of these

Question 11 Multiple Choice (Single Answer)

log 18/6 equals

log 18/log 6
log 18 - log 6
log 144
log 18 + log 6
None of these

Question 12 Multiple Choice (Single Answer)

log_abca + log_abcb + log_abcc =

1
0
2
3
None of these

Question 13 Multiple Choice (Single Answer)

The value of log 1/2 to base 8 is

1
2
- 3
- 4
None of these

Question 14 Multiple Choice (Single Answer)

Solve for x if 2^x = 3.

1.584
3
4
1
None of these

Question 15 Multiple Choice (Single Answer)

The value of log 80 + log 20 - log 100 to base 2 is

1
5
3
4
None of these

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