Concepts and Formula Review for
Foundational Skills Exam Questions And
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
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1.
A contractor needs to calculate the perimeter of a rectangular storage room
measuring 18 feet by 12 feet. What is the perimeter?
A. 216 ft
B. 60 ft
C. 36 ft
D. 30 ft
Answer: B. 60 ft
Rationale: Perimeter of a rectangle is calculated using 2(L+W)2(L + W)2(L+W).
Therefore, 2(18+12)=2(30)=602(18 + 12) = 2(30) = 602(18+12)=2(30)=60 feet.
2.
A delivery truck travels 240 miles in 4 hours. What is its average speed?
A. 40 mph
B. 50 mph
,C. 60 mph
D. 80 mph
Answer: C. 60 mph
Rationale: Speed equals distance divided by time. 240÷4=60240 \div 4 =
60240÷4=60 mph.
3.
A carpenter cuts a board measuring 96 inches into 8 equal pieces. How long is
each piece?
A. 10 in
B. 11 in
C. 12 in
D. 14 in
Answer: C. 12 in
Rationale: Divide the total length by the number of pieces. 96÷8=1296 \div 8 =
1296÷8=12 inches.
4.
A nurse administers 0.5 liters of saline solution. How many milliliters is this?
A. 50 mL
B. 500 mL
C. 5,000 mL
D. 0.05 mL
Answer: B. 500 mL
Rationale: One liter equals 1,000 milliliters. 0.5×1000=5000.5 \times 1000 =
5000.5×1000=500 mL.
5.
,A store offers a 20% discount on a jacket originally priced at $80. What is the sale
price?
A. $60
B. $64
C. $68
D. $72
Answer: B. $64
Rationale: Twenty percent of $80 is 0.20×80=160.20 \times 80 = 160.20×80=16.
Subtract the discount: 80−16=6480 - 16 = 6480−16=64.
6.
A tank contains 150 gallons of water. If 35 gallons are used, how many gallons
remain?
A. 105 gallons
B. 110 gallons
C. 115 gallons
D. 120 gallons
Answer: C. 115 gallons
Rationale: Remaining amount equals 150−35=115150 - 35 = 115150−35=115
gallons.
7.
A classroom has 24 students. If 75% pass an exam, how many students passed?
A. 16
B. 18
C. 20
D. 22
Answer: B. 18
, Rationale: Convert 75% to decimal form: 0.75×24=180.75 \times 24 =
180.75×24=18.
8.
A mechanic buys 6 tires costing $85 each. What is the total cost?
A. $410
B. $450
C. $510
D. $580
Answer: C. $510
Rationale: Multiply quantity by price: 6×85=5106 \times 85 = 5106×85=510.
9.
A technician records temperatures of 68°F, 70°F, and 74°F. What is the average
temperature?
A. 69°F
B. 70°F
C. 71°F
D. 72°F
Answer: C. 71°F
Rationale: Add the temperatures and divide by 3: (68+70+74)÷3=212÷3≈71(68 +
70 + 74) \div 3 = 212 \div 3 ≈ 71(68+70+74)÷3=212÷3≈71.
10.
A pipe measures 3.5 meters. What is its length in centimeters?
A. 35 cm
B. 350 cm