QA - Logarithms - Test

Simplify:

\(log{5\over{3}}+log{9\over{5}}-log{9\over{3}}\)

1 Mark(s)

1
2
4
0

Simplify

\(log{m\over{n}}+log{n\over{p}}+log{p\over{m}}\)

1 Mark(s)

1
mnp
m+n+p
0

Solve :

\(log_2256 = x\)

1 Mark(s)

x=2
x=8
x=16
None of these

Simplify

\(2log_{10}5+log_{10}8-{1\over{2}}log_{10}4\)

1 Mark(s)

4
2
5
10

Simplify:

3log2 + 3log3

1 Mark(s)

log 108
log 216
log 356
log 625

If log2=0.3010 and log3=0.4771 find log6

1 Mark(s)

0.7781
0.7718
0.6678
None of these

Simplify :

\({1\over{log_a(ab)}}+{1\over{log_b(ab)}}\)

1 Mark(s)

0
1
-1
-2

Simplify

log18 + log5 - 2log3

1 Mark(s)

1
2
3
None of these

If log2 = 0.3010 and log3 = 0.4771 find log9

1 Mark(s)

1.002
0.9542
1.0791
None of these

\(log_b a\times log_ab =\)

1 Mark(s)

0
1
2
3

Find the value of \(log_{10}.01\)

1 Mark(s)

-2
-3
4
None of these

Find the value of \(log_2{1\over{8}}\)

1 Mark(s)

-2
-3
-4
-5

If log2 = 0.3010 and log3 = 0.4771 find log18

1 Mark(s)

1.2552
1.5227
1.4774
None of these

Simpiify

2log5 + log3 - 2log2 - log ?

1 Mark(s)

log28/75
log75/28
log 64
log 108

Simplify:

\(log{m^2\over{np}}+log{n^2\over{pm}}+log{p^2\over{mn}}\)

1 Mark(s)

m+n+p
mnp
1
0

Determine x satisfying \(log_{\sqrt{8}}x={10\over{3}}\)

1 Mark(s)

23
32
64
72

What is the logarithm of 1

1 Mark(s)

1
0
2
4

Find log16 to the base \(\sqrt{2}\)

1 Mark(s)

7
8
10
20

Solve : \(2=log_{10}x\)

1 Mark(s)

x=10
x=100
x=1000
None of these

Solve :

\(log_2\; ^{3}\sqrt{8}=x\)

1 Mark(s)

x=2
x=1
x=3
None of these

QA - Logarithms - Test - 4 : Question 1 of 20