9th Class General Math Chapter 1 Test01. Percentage, Ratio and Proportion

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

1. a : b : : c : d in .......... = ad
   1. b²c
   2. bc²
   3. bc
   4. abc
2. The relationship between two ratios in which a decrease in one quantity leads to a corresponding decrease in the other quantity is called.
   1. Directly proportion
   2. Inverse proportion
   3. Compound proportion
   4. All are wrong
3. If the number of people is increased to complete a work, then the number of days. It happens.
   1. Less
   2. More
   3. Equal to
   4. All are wrong
4. The value of x will be in the ratio of 20 : 50 : : x : 30.
   1. 12
   2. 15
   3. 20
   4. 25
5. If 45% of the students of a school are girls, then the number of boys will be in percentage.
   1. 0.45
   2. 0.5
   3. 0.55
   4. 0.6
6. The figure is 0.37 percent.
   1. 37
   2. 73
   3. 0.37
   4. 0.73
7. The relationship between two ratios in which a decrease in one quantity leads to an increase in the other quantity by the same ratio is called.
   1. Compound proportion
   2. Directly proportion
   3. Inverse proportion
   4. All are correct
8. In a ratio a : b , b is called.
   1. Mean
   2. Consequent
   3. Antecedent
   4. Extreme
9. If there are 800 cars in a car park, 80% of them are made in Pakistan, then the number of Pakistani cars will be.
   1. 600
   2. 640
   3. 660
   4. 680
10. The relationship between two ratios in which an increase in one quantity leads to a corresponding decrease in the other quantity is called.
    1. Compound proportion
    2. Directly proportion
    3. Inverse proportion
    4. All are wrong