Question 1

If the time it takes to drive a certain distance is inversely proportional to the speed, what will happen to the time if the speed is doubled?

Accepted Answer

It will be halved.

Answer

It will be quadrupled.

Answer

It will remain the same.

Answer

It will be doubled.

Question 2

The time required to do a certain job varies inversely as the number of people working on the job. If it takes 2 hours for 6 people to scrub the corridors of a building. How long would it take 4 people to do same job?

Accepted Answer

3 hours

Answer

24 hours

Answer

8 hours

Answer

12 hours

Question 3

If it takes 5 workers 8 hours to build a house, how many hours will it take 8 workers to build the same house?

Accepted Answer

5 hours

Answer

10 hours

Answer

16 hours

Answer

2 hours

Question 4

If two quantities are inversely proportional, what happens if one quantity is doubled?

Accepted Answer

The other quantity is halved.

Answer

The other quantity is quadrupled.

Answer

The other quantity is doubled.

Answer

The other quantity remains the same.

Question 5

If a company can produce 200 units of a product in 10 days, how many units can they produce in 5 days?

Accepted Answer

400 units

Answer

150 units

Answer

250 units

Answer

100 units

Question 6

If it takes 4 hours for 6 workers to complete a job, how many workers are needed to complete the same job in 2 hours?

Accepted Answer

12 workers

Answer

3 workers

Answer

18 workers

Answer

8 workers

Question 7

If the volume of a gas at a certain pressure is inversely proportional to the pressure, what will happen to the volume if the pressure is doubled?

Accepted Answer

It will be halved.

Answer

It will be doubled.

Answer

It will be quadrupled.

Answer

It will remain the same.

Question 8

If a car travels 100 miles in 2 hours, how long will it take to travel 200 miles?

Accepted Answer

4 hours

Answer

2 hours

Answer

5 hours

Answer

3 hours

Question 9

If two quantities are inversely proportional, what happens if one quantity is tripled?

Accepted Answer

The other quantity is divided by 3.

Answer

The other quantity remains the same.

Answer

The other quantity is doubled.

Answer

The other quantity is tripled.

Question 10

A manufacturing company found that the demand for its product varies inversely as the price of the product, when the price is ₱150, the demand is 500 units. Approximate the demand for a price of ₱200.

Accepted Answer

375 units

Answer

125 units

Answer

750 units

Answer

250 units

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