Periodical Exam Review

Using the triangle formula, what is the correct formula for finding the rate?

• R = D x T

• R = T + D

• R = D ÷ T

• R = T ÷ D

Which of the following is NOT a unit of distance?

• meters

• seconds

• kilometers

• centimeters

A runner has an average rate of 25.5 meters per minute. If he runs 153 meters in the competition, how many minutes will it take him to reach the finish line?

• 3 minutes

• 9 minutes

• 6 minutes

• 12 minutes

Jaime took a 3 2/5-hour trip from Manila to a town in Pangasinan. If the distance from Manila to the town is 170 kilometers, what is his average speed in kilometers per hour?

• 40 km/h

• 50 km/h

• 60 km/h

• 70 km/h

If a train travels at (a)   , how far will it travel in (b)   hours?

• 120 km

• 240 km

• 180 km

• 300 km

Ivan walked 5 kilometers in 1 hour. How long would walking 10 kilometers at the same speed take him?

• 0.5 hours

• 1 hour

• 1.5 hours

• 2 hours

Belio can read 8 pages of his book in 20 minutes. At the same rate, how long will it take him to read 40 pages?​ (a)  

• 1 hour

• 1 hour and 40 minutes

• 2 hours

• 1 hour and 40 minutes

How does an electric meter differ from a water meter?

• An electric meter measures sound, while a water meter measures light.

• An electric meter measures time, while a water meter measures volume.

• An electric meter measures temperature, while a water meter measures pressure.

• An electric meter measures electricity usage, while a water meter measures water usage.

If an electric meter reads 350 kWh at the beginning of the month and 523 kWh at the end of the month, how much will the electric bill be if electricity costs ₱3.00 per kWh?

• ₱173.00

• ₱519.00

• ₱1,569.00

• ₱2,619.00

If a Vargas family uses 125 cubic meters of water in a month and the water rate is 3.25 per cubic meter, how much will their water bill be?

• ₱406.25

• ₱406.50

• ₱506.25

• ₱506.50