Direct Proportion

Q.

Which of these are examples of direct proportion?
(i) Cost price to grocery.
(ii) Time required in completing a work to the number of workers doing that work.
(iii) Distance covered and time taken to cover that distance when speed is constant.

1. (i), (iii)

2. (ii)

3. (i), (ii)

4. (i), (ii), (iii)

Q.

Which of the following is true in case of direct proportions?

1. Cannot be used where commodities are used.
2. As one quantity changes, another quantity remains the same.
3. As one quantity increases, the other quantity also increases at the same rate.
4. As one quantity increases, the other quantity decreases at the same rate.

Q.

If Alex drives at 52 miles per hour for 8 hours, how far does he travel?

1. 6.5 Miles

2. 406 Miles

3. 7.5 Miles

4. 416 Miles

Q. How fast do you need to travel to go 150 miles in 3 hours?

1. 30 MPH
2. 50 MPH
3. 20 MPH
4. 65 MPH

Q.

How long will it take to drive 450 miles if you are driving at a speed of 50 miles per hour?

1. 9 Hours

2. 6 Hours

3. 3.5 Hours

4. 12.5 Hours

Q. A loaded truck travels $14\text{km}$ in $25$ minutes. If the speed remains the same, how far can it travel in $5\text{hours}$?

Q.

Which of the following is true in case of direct proportions?

1. Cannot be used where commodities are used.
2. As one quantity increases, the other quantity also increases at the same rate.
3. As one quantity increases, the other quantity decreases at the same rate.
4. As one quantity changes, another quantity remains the same.

Q.

Which of these are examples of direct proportion?
(i) Cost price to grocery.
(ii) Time required in completing a work to the number of workers doing that work.
(iii) Distance covered and time taken to cover that distance when speed is constant.

1. (i), (ii)

2. (ii)

3. (i), (iii)

4. (i), (ii), (iii)

Q.

If 18 dolls cost ₹630, how many dolls can be bought for ₹455?

1. 9

2. 11

3. 13

4. 15

Q.

How long will it take to drive 450 miles if you are driving at a speed of 50 miles per hour?

1. 12.5 Hours

2. 6 Hours

3. 3.5 Hours

4. 9 Hours