1 Marks Question

Question 11 Mark

observe the following tables and find, if $x$ and $y$ are directly proportional.

x	5	8	12	15	18	20
y	15	24	36	60	72	100

Answer

Not direct proportion

Question 21 Mark

observe the following tables and find, if $x$ and $y$ are directly proportional.

x	6	10	14	18	22	26	30
y	4	8	12	16	20	24	28

Answer

Not direct proportion

Question 31 Mark

Which of the following are in inverse proportion?
The population of a country and the area of land per person.

Answer

For more population, less area per person would be there.
So, it is a case of inverse proportion.

Question 41 Mark

Which of the following are in inverse proportion?
The time taken for a fixed journey and the speed of the vehicle.

Answer

If speed of a vehicle is more, then time to cover a fixed journey would be less. So, it is a case of inverse proportion.

Question 51 Mark

Which of the following are in inverse proportion?
Area of cultivated land and the crop harvested.

Answer

For more area of cultivated land, more crops would be harvested. So, area of cultivated land and the crop harvested are not in inverse proportion.

Question 61 Mark

Which of the following are in inverse proportion?
The time taken for a journey and the distance travelled in a uniform speed.

Answer

For longer distance, more time would be required. So, it is not the case of inverse proportion.

MATHS 1 Marks Question