Direct and Inverse Proportion

Identify whether the following relationship is a direct proportion or an inverse proportion: 'If the number of workers increases, the time taken to complete a task decreases.'

• No relation

• Direct proportion

• Exponential proportion

• Inverse proportion

Identify whether the following relationship is a direct proportion or an inverse proportion: 'As the speed of a car increases, the time taken to reach a destination decreases.'

• Opposite proportion

• Inverse proportion

• No relation

• Direct proportion

Solve the direct proportion problem: If 8 workers can build a wall in 12 days, how many days will it take for 6 workers to build the same wall?

• 10

• 6

• 16

• 24

Solve the direct proportion problem: If 5 machines can produce 200 units in 8 hours, how many units can 3 machines produce in the same time?

• 50 units

• 300 units

• 10 units

• 120 units

Solve the inverse proportion problem: If 10 workers can complete a task in 5 hours, how many workers are needed to complete the same task in 2 hours?

• 8 workers

• 30 workers

• 25 workers

• 15 workers