NFSI Mathematical and Numeric Reasoning 4

Question 1

A firefighter pumps water at 200 gallons per minute. A pool-supply reservoir holds 8,000 gallons. How many minutes will the reservoir last?

Accepted Answer

40 min

Answer

30 min

Answer

35 min

Answer

45 min

Question 2

A crew of 6 firefighters splits a workload equally. If the total workload is 270 units, how many units does each firefighter handle?

Accepted Answer

45

Answer

40

Answer

42

Answer

48

Question 3

A fire station runs 3 shifts of 24 hours each. If each shift has 8 firefighters, how many total firefighter-hours are worked in one full rotation?

Accepted Answer

576

Answer

448

Answer

512

Answer

624

Question 4

Thermal imaging cameras cost $3,500 each. If a department buys 4 cameras and receives a 10% bulk discount, what is the total cost?

Accepted Answer

$12,600

Answer

$13,300

Answer

$14,000

Answer

$12,250

Question 5

A firefighter lifts a 45-pound hose bundle and carries it 120 feet in 30 seconds. What is the carrying speed in feet per second?

Accepted Answer

4 ft/s

Answer

3 ft/s

Answer

5 ft/s

Answer

6 ft/s

Question 6

A fire doubles in size every 2 minutes. If it starts at 500 square feet, how large is it after 6 minutes?

Accepted Answer

4,000 sq ft

Answer

2,000 sq ft

Answer

3,000 sq ft

Answer

6,000 sq ft

Question 7

A department spends $960 monthly on fuel. If fuel prices rise 12.5%, what will the new monthly fuel cost be?

Accepted Answer

$1,080

Answer

$1,020

Answer

$1,050

Answer

$1,100