FCTC Numerical Reasoning 4

Question 1

A fire hose discharges water at 125 gallons per minute. How many gallons are discharged in 36 minutes?

Accepted Answer

4,500

Answer

125 × 36 = 4,500 gallons.

Question 2

A ladder truck is 42 feet long. If 3 ladder trucks are parked end to end, what is the total length in yards?

Accepted Answer

42 yards

Answer

3 × 42 = 126 feet ÷ 3 = 42 yards.

Question 3

A firefighter earns $52,800 per year. What is the monthly salary?

Accepted Answer

$4,400

Answer

$52,800 ÷ 12 = $4,400 per month.

Question 4

A water tank holds 3,600 gallons and is 75% full. How many gallons are needed to fill it completely?

Accepted Answer

900

Answer

75% of 3,600 = 2,700 gallons present; 3,600 − 2,700 = 900 gallons needed.

Question 5

If 4 firefighters can complete a ventilation task in 20 minutes, how long would it take 5 firefighters working at the same rate?

Accepted Answer

16 minutes

Answer

Total work = 4 × 20 = 80 person-minutes; 80 ÷ 5 = 16 minutes.

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