RICAS Problem Solving 3 — Questions and Answers
Question 1: A train leaves the station at 9:15 AM and arrives at its destination at 1:45 PM. How long is the trip?
- 3 hours 30 minutes
- 4 hours 30 minutes (Correct answer)
- 4 hours 15 minutes
- 5 hours
Correct answer: 4 hours 30 minutes
From 9:15 AM to 1:45 PM is 4 hours and 30 minutes.
Question 2: A tank holds 240 gallons of water. If water drains at 8 gallons per minute, how long will it take to empty the tank?
- 25 minutes
- 28 minutes
- 30 minutes (Correct answer)
- 32 minutes
Correct answer: 30 minutes
240 ÷ 8 = 30 minutes.
Question 3: Three friends share a pizza bill of $28.50 equally. How much does each person pay?
- $9.00
- $9.25
- $9.50 (Correct answer)
- $10.00
Correct answer: $9.50
$28.50 ÷ 3 = $9.50 per person.
Question 4: A school collects 1,248 cans of food over 4 weeks. If the same number is collected each week, how many cans are collected per week?
- 302 cans
- 310 cans
- 312 cans (Correct answer)
- 316 cans
Correct answer: 312 cans
1,248 ÷ 4 = 312 cans per week.
Question 5: A swimming pool is 25 meters long. If a swimmer completes 8 laps (there and back = 1 lap), how many meters did the swimmer travel?
- 200 meters
- 400 meters (Correct answer)
- 100 meters
- 300 meters
Correct answer: 400 meters
One lap = 25 × 2 = 50 meters; 8 laps = 8 × 50 = 400 meters.
Question 6: A package weighs 4.75 pounds. If 6 identical packages are shipped together, what is the total weight?
- 27.5 pounds
- 28.5 pounds (Correct answer)
- 29.5 pounds
- 30 pounds
Correct answer: 28.5 pounds
4.75 × 6 = 28.5 pounds.
Question 7: A farmer plants corn in 5 rows with 24 plants in each row. He removes every 3rd plant. How many plants remain?
- 80 plants (Correct answer)
- 72 plants
- 70 plants
- 68 plants
Correct answer: 80 plants
Total plants = 5 × 24 = 120; every 3rd plant removed means 1/3 removed, so 120 − 40 = 80 plants remain.
RICAS Problem Solving 3
A train leaves the station at 9:15 AM and arrives at its destination at 1:45 PM.
How long is the trip?