# Aptitude test questions about Logarithm

Aptitude test questions about Logarithm These are some aptitude test questions as follows: 1. Sample questions of aptitude test 1. Which ...

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**Aptitude test questions about Logarithm**

These are some aptitude test questions as follows:

### 1. Sample questions of aptitude test

1. Which of the following statements is not correct?

A. log10 10 = 1 B. log (2 + 3) = log (2 x 3) C. log10 1 = 0 D. log (1 + 2 + 3) = log 1 + log 2 + log 3

2. If logx y = 100 and log2 x = 10, then the value of y is:

A. 210 B. 2100 C. 21000 D. 210000

3. If log10 5 + log10 (5x + 1) = log10 (x + 5) + 1, then x is equal to:

A. 1 B. 3 C. 5 D. 10

4. If log 2 = 0.3010 and log 3 = 0.4771, the value of log5 512 is:

A. 2.870 B. 2.967 C. 3.876 D. 3.912

5. If log 27 = 1.431, then the value of log 9 is:

A. 0.934 B. 0.945 C. 0.954 D. 0.958

6. If log10 2 = 0.3010, then log2 10 is equal to:

A.

699/301

B.

1000/301

C.

0.3010

D.0.6990

7. If log10 2 = 0.3010, the value of log10 80 is:

A.1.6020 B.1.9030 C.3.9030 D.None of these

8. If log10 5 + log10 (5x + 1) = log10 (x + 5) + 1, then x is equal to:

A.1 B.3 C.5 D.10

If log 2 = 0.30103, the number of digits in 2^64 is:

A. 18 B. 19 C. 20 D. 21

**Other aptitude tests**

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Height and Distance

Time and Work

Simple Interest

Compound Interest

Profit and Loss Partnership

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Calendar

Clock

Average Area

Volume and Surface Area

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Problems on H.C.F and L.C.M

Decimal Fraction

Simplification

Square Root and Cube Root

Surds and Indices

Ratio and Proportion

Chain Rule

Pipes and Cistern

Boats and Streams

Alligation or Mixture

Logarithm

Races and Games

Stocks and Shares

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