Direct and Indirect Proportions

Identify whether the given relation is Direct or Indirect Proportion?
The number of workers on a job and the time to complete the job

• Direct Proportion
• Indirect Proportion 

Identify whether the given relation is Direct or Indirect Proportion?
Area of cultivated land and the crop harvested 

• Director Proportion
• Indirect Proportion

If x and y are in an inverse variation then which of the following is correct?

• x - y = constant
• x + y = constant
• xy = constant 
• x⁄y is constant 

If x and y are in an direct variation then which of the following is correct?

• x - y = constant
• x + y = constant
• xy = constant 
• x⁄y is constant 

• 10
• 12
• 15
• 20

• a)
• b)
• c)
• d)

A farmer has enough food to feed 20 animals at his farm for 6 days.  How long the food lost if there were 10 more animals in the farm>

• 5 days
• 4 days
• 6 days
• 3 days

x and y very inversely.  When x = 15 then y = 6.  What will be the value when x = 9?

• 10
• 15
• 54
• 135

6 pipes fill a tank in 120 minutes, then 5 pipes can fill it in _______ minutes

• 100 
• 174
• 144
• 108

Say 'TRUE' or 'FALSE'
The population of a country and the area of land per person are inversely proportional

• TRUE
• FALSE