FREE NFST Mathematical Reasoning Question and Answers

Question 1

There are just 6 firefighters at a local fire department. They all have quite diverse physical attributes. Lanie is 200 pounds, Fred is 250 pounds, Shawn is 150 pounds, Mike 180 pounds, Ben is 190 pounds, Mike is 140 pounds, and Lanie is 200 pounds.
What is the weight of a typical firefighter?

Accepted Answer

185 pounds

Answer

175 pounds

Answer

180 pounds

Answer

190 pounds

Question 2

A smoke-filled room has no obvious entryway. A 5-foot by 6-foot opening in the wall is made by the firefighter using a hatchet.
How big is the opening?

Accepted Answer

30 sq. ft.

Answer

15 sq. ft

Answer

20 sq. ft.

Answer

10 sq. ft.

Question 3

Choose the statement that best explains the link between the length of the hose and the number of firefighters required to carry it using the table below.

Accepted Answer

One more worker is required for every 40 feet of hose length that is added.

Answer

The fewer firefighters required to carry the hose, the longer it was.

Answer

The number of firefighters required to carry an additional 40 feet of hose is tripled.

Answer

The number of firefighters required to carry a hose that is 40 feet longer is doubled.

Question 4

12 gallons of fuel were injected into one tank, 17 gallons into the next, and 21 gallons into the final tank by a firefighter.
How much gasoline did the firefighters pump—in gallons?

Accepted Answer

50

Answer

55

Answer

45

Answer

40

Question 5

What size ladder is required to reach the top floor of a six-story apartment building if the average height of a story in a residential apartment building is 13 feet?

Accepted Answer

78 ft.

Answer

65 ft.

Answer

91 ft.

Answer

52 ft.

Question 6

Candidates taking a physical fitness exam to become a firefighter must be able to carry an oxygen tank and a 150-foot fire hose to the top of a mock-burning structure. Choose the statement from the following table that best explains the connection between the number of floors and the travel time between them.

Accepted Answer

The longer the time, the more floors climbed.

Answer

As the time increased by two seconds, the number of floors reached is decreased.

Answer

As the time increased by two seconds, the number of floors reached is doubled.

Answer

The longer the time, the fewer floor climbed.

Question 7

The proportion of water to foam concentrate to create a good water foam solution is 40:1. 1 640 gallons of water foam solution need to be mixed with how much foam concentrate?

Accepted Answer

40 gallons

Answer

29 gallons

Answer

49 gallons

Answer

30 gallons

There are just 6 firefighters at a local fire department.They all have quite diverse physical attributes.Lanie is 200 pounds, Fred is 250 pounds, Shawn is 150 pounds, Mike 180 pounds, Ben is 190 pounds, Mike is 140 pounds, and Lanie is 200 pounds. What is the weight of a typical firefighter?

There are just 6 firefighters at a local fire department.
They all have quite diverse physical attributes.
Lanie is 200 pounds, Fred is 250 pounds, Shawn is 150 pounds, Mike 180 pounds, Ben is 190 pounds, Mike is 140 pounds, and Lanie is 200 pounds.
What is the weight of a typical firefighter?