IST Applied Mathematics 1 — Questions and Answers
Question 1: A production line produces 240 units in 8 hours. What is the average output per hour?
- 25 units
- 28 units
- 30 units (Correct answer)
- 32 units
Correct answer: 30 units
Dividing 240 units by 8 hours gives 30 units per hour.
Question 2: A machine uses 15 gallons of coolant per day. How many gallons are needed for a 5-day work week?
- 60 gallons
- 70 gallons
- 75 gallons (Correct answer)
- 80 gallons
Correct answer: 75 gallons
Multiplying 15 gallons/day by 5 days equals 75 gallons.
Question 3: A bolt is 3.75 inches long. What is this measurement in fractions of an inch?
- 3 1/2"
- 3 3/4" (Correct answer)
- 3 5/8"
- 3 7/8"
Correct answer: 3 3/4"
0.75 equals 3/4, so 3.75 inches is 3 and 3/4 inches.
Question 4: If a steel rod weighs 2.5 pounds per foot, how much does a 14-foot rod weigh?
- 28 lbs
- 32 lbs
- 35 lbs (Correct answer)
- 40 lbs
Correct answer: 35 lbs
Multiplying 2.5 lbs/ft by 14 ft equals 35 pounds.
Question 5: A tank holds 500 gallons. If it is 40% full, how many gallons are in the tank?
- 150 gallons
- 175 gallons
- 200 gallons (Correct answer)
- 220 gallons
Correct answer: 200 gallons
40% of 500 gallons equals 0.40 × 500 = 200 gallons.
Question 6: A worker earns $18.50 per hour and works 40 hours a week. What is the gross weekly pay?
- $720
- $740 (Correct answer)
- $760
- $780
Correct answer: $740
$18.50 × 40 hours = $740.00 gross weekly pay.
IST Applied Mathematics 1
A production line produces 240 units in 8 hours.
What is the average output per hour?