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Numerical Reasoning Test Practice Course：Rates, units, currency and time

不限时专题测验：关于Rates, units, currency and time的18道题，每道题作答后都有解释。每次题目和选项都会重新打乱。

  • 课程
  • 加拿大
  • 87道题
  • 核对于2026年10月13日
  • 事实核查：2026年10月13日
从课文开始Numerical Reasoning Course: Lessons：阅读时间约180分钟。测试中的每道题在课文中都有讲解。

专题测验4：Rates, units, currency and time

  1. 第1题，共18题

    An employee earns $18.50 an hour and works 37.5 hours in a week. What is the pay for the week before deductions?
    显示答案

    答案: B. $693.75

    Pay = rate × hours = 18.50 × 37.5 = $693.75.

  2. 第2题，共18题

    Change 2.75 hours into hours and minutes.
    显示答案

    答案: C. 2 hours 45 minutes

    0.75 of an hour = 0.75 × 60 = 45 minutes. So 2.75 hours = 2 hours 45 minutes.

  3. 第3题，共18题

    A job took 165 minutes. How many hours is that, as a decimal?
    显示答案

    答案: D. 2.75

    Divide minutes by 60: 165 ÷ 60 = 2.75 hours (2 hours 45 minutes).

  4. 第4题，共18题

    A walk covers 2.4 km. How many metres is that?
    显示答案

    答案: D. 2,400 m

    1 km = 1,000 m, so 2.4 × 1,000 = 2,400 m.

  5. 第5题，共18题

    A night shift runs from 22:00 to 06:30 with a 30-minute unpaid break. How many paid hours is the shift?
    显示答案

    答案: C. 8 hours

    From 22:00 to midnight is 2 hours; midnight to 06:30 is 6.5 hours. Total 8.5 hours, minus the 0.5-hour break = 8 hours.

  6. 第6题，共18题

    You are told 1 US dollar = 1.37 Canadian dollars. How much is US$250 in Canadian dollars?
    显示答案

    答案: C. C$342.50

    The rate gives Canadian dollars per 1 US dollar, so multiply: 250 × 1.37 = C$342.50.

  7. 第7题，共18题

    You are told 1 euro = 1.50 Canadian dollars. How many euros do you get for C$500 (before any fees)?
    显示答案

    答案: A. €333.33

    To go from Canadian dollars to euros, divide by the rate: 500 ÷ 1.50 = €333.33. Multiplying would give more euros than dollars, which cannot be right when a euro costs more than a dollar.

  8. 第8题，共18题

    Pack A has 12 items for $18.60. Pack B has 20 items for $29.00. Which is cheaper per item, and by how much?
    显示答案

    答案: D. Pack B, by $0.10 per item

    Unit price A = 18.60 ÷ 12 = $1.55; B = 29.00 ÷ 20 = $1.45. B is cheaper by $0.10 per item.

  9. 第9题，共18题

    A patrol vehicle drives 45 km at an average speed of 60 km/h. How long does the trip take?
    显示答案

    答案: B. 45 minutes

    Time = distance ÷ speed = 45 ÷ 60 = 0.75 hours = 45 minutes.

  10. 第10题，共18题

    Three staff pack 450 boxes in 5 hours. How many boxes does each person pack per hour, on average?
    显示答案

    答案: A. 30

    Total staff-hours = 3 × 5 = 15. Boxes per staff-hour = 450 ÷ 15 = 30.

  11. 第11题，共18题

    A salary is $52,000 a year for 40 hours a week, 52 weeks a year. What is the hourly rate?
    显示答案

    答案: B. $25.00

    Hours per year = 40 × 52 = 2,080. Hourly rate = 52,000 ÷ 2,080 = $25.00.

  12. 第12题，共18题

    Overtime is paid at 1.5 times the normal rate for hours over 40 a week. A worker earns $20.00 an hour and works 46 hours. What is the weekly pay?
    显示答案

    答案: A. $980.00

    Regular pay = 40 × 20 = $800. Overtime = 6 × (20 × 1.5) = 6 × 30 = $180. Total = $980.00.

  13. 第13题，共18题

    A salesperson earns 4% commission on sales above $10,000 in a month. Sales this month were $16,500. What is the commission?
    显示答案

    答案: A. $260.00

    Only sales above $10,000 count: 16,500 − 10,000 = $6,500. 4% of 6,500 = $260.00.

  14. 第14题，共18题

    A van uses 9.5 litres of fuel per 100 km. Fuel costs $1.58 a litre. What is the fuel cost for a 340 km trip?
    显示答案

    答案: B. $51.03

    Fuel used = 340 ÷ 100 × 9.5 = 32.3 L. Cost = 32.3 × 1.58 = $51.03.

  15. 第15题，共18题

    Office B is 3 hours ahead of Office A. A meeting starts at 4:30 p.m. in Office B. What time is it in Office A?
    显示答案

    答案: C. 1:30 p.m.

    Office A is 3 hours behind, so subtract 3 hours: 4:30 p.m. − 3 hours = 1:30 p.m.

  16. 第16题，共18题

    A supplier bill is US$800. The rate given is 1 US dollar = 1.36 Canadian dollars. Your bank adds a 2% fee on the Canadian-dollar amount. What is the total cost in Canadian dollars?
    显示答案

    答案: A. C$1,109.76

    Convert first: 800 × 1.36 = C$1,088.00. Fee = 2% × 1,088.00 = $21.76. Total = C$1,109.76.

  17. 第17题，共18题

    Supplier A charges US$45 for a part. Supplier B charges €40. You are told 1 US dollar = 1.38 Canadian dollars and 1 euro = 1.52 Canadian dollars. Which is cheaper in Canadian dollars, and by how much?
    显示答案

    答案: D. Supplier B, by $1.30

    A = 45 × 1.38 = $62.10. B = 40 × 1.52 = $60.80. B is cheaper by $1.30. Comparing 45 and 40 without converting would be misleading.

  18. 第18题，共18题

    A technician charges a $60 call-out fee plus $40 per hour. What is the cost of a 2.5-hour job?
    显示答案

    答案: D. $160

    Hourly charge = 40 × 2.5 = $100. Add the one-time fee: 100 + 60 = $160.

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