CADET Mathematics and Problem Solving 2

Question 1

A military unit has 120 personnel. If 25% are on leave, how many are present for duty?

Accepted Answer

90

Answer

25% of 120 = 30 on leave; 120 − 30 = 90 present for duty.

Question 2

If a radio signal repeats every 45 seconds, how many times will it repeat in 15 minutes?

Accepted Answer

20

Answer

15 minutes = 900 seconds; 900 ÷ 45 = 20 repetitions.

Question 3

What is the next number in the sequence: 3, 6, 12, 24, ___?

Accepted Answer

48

Answer

Each number doubles: 3 × 2 = 6, 6 × 2 = 12, 12 × 2 = 24, 24 × 2 = 48.

Question 4

Solve: 7 × (4 + 3) − 5 = ?

Accepted Answer

44

Answer

Following BEDMAS: 4 + 3 = 7; then 7 × 7 = 49; then 49 − 5 = 44.

Question 5

A soldier runs 400 m in 80 seconds. At the same speed, how long will it take to run 1 km?

Accepted Answer

200 seconds

Answer

Speed = 400 m / 80 s = 5 m/s; time for 1000 m = 1000 ÷ 5 = 200 seconds.

CADET - Canadian Armed Forces Aptitude Test Practice Test