Skip to content
p.paperbanao.
Continue

Punjab (PTB) · Chapter test · Free

9th Class Mathematics Chapter 2 TestUNIT 2: Logarithms

30 marks · 40 minutes · 21 questions. Covers: UNIT 2: Logarithms.

Your school name

9th Class Mathematics Chapter 2 Test

9th Class · Mathematics · Punjab (PTB)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 30Time: 40 minutes

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

  1. Expand:

  2. The scientific notation of 0.000078 is:

  3. Convert to ordinary notation: 

    1. 9010

    2. 90100

    3. 901000

    4. 901

  4. The standard form of  is:

    1. Log 0

    2. Log 2

    4. Log 15

  6.  in logarithmic form is:

  7. If log x = 2.3010, then x=?

    1. 20

    2. 200

    3. 0.2

    4. 2000

  8. Which is not in scientific notation:

  9.  in scientific notation is:

Q2. Short questions (Attempt any 6 of 8 · 6 × 2 = 12)

  1. Find logarithm of the following number:

  2. Express the following in logarithmic form: 

  3. Expand the following using laws of logarithm: 

  4. Find logarithm of the following number: 0.047

  5. Expand the following using laws of logarithm: 

  6. Express the following number in ordinary notation.

  7. Find the value of x in the following equation: 

  8. Find logarithm of the following number:

Q3. Long questions (Attempt any 2 of 3 · 2 × 4 = 8)

  1. Find the values of the following with the help of logarithm table: 

  2. Find the values of the following with the help of logarithm table: 

  3. Abdullah invested Rs. 100,000 in a saving scheme and gains interest at the rate of 5% per annum so that the total value of this investment after t years us Rs y. This is modelled by an equation y= 100,000 (1.05)t, . Find after how many years the investment will be double.