Maths Quiz - Time 2 (Difficult) (Answers)
Welcome to the second quiz in our Difficult Eleven Plus maths series on solving problems involving Time. There are many different units of time, which I’m sure you are familiar with, like seconds, minutes, hours and days. Would you like to know a few more? Then take a look at these:
You’ll be happy to hear that you don’t need to know any of these terms just yet. It’s always good to learn new things though, and one way to do that is to play this quiz!
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06:08 to 07:00 is 52 minutes. 07:00 to 11:00 is 4 hours, or 240 minutes (4 x 60 = 240). 11:00 to 11:02 s 2 minutes.
52 + 240 + 2 = 294 |
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23:06 is 54 minutes before midnight (00:00). Twenty past midnight is 00:20 so we need to add another 20 minutes: 54 + 20 = 74
There are 60 minutes in an hour, so we subtract 60 from 74 to get 14. Jane’s watch is 1 hour and 14 minutes slow |
There are three twenty-minute periods in one hour, and 24 hours in a day. So, to find the answer we multiply 3 by 24: 3 x 24 = 72
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The hour hand of a clock turns through one complete revolution every 12 hours, that’s twice in one day. There are 7 days in a week so to work this out we multiply 7 by 2: 7 x 2 = 14
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It goes round once for every minute. There are 60 minutes in an hour, so that's 1 × 60 = 60 revolutions an hour. There are 24 hours in a day, so there are 24 × 60 = 1,440 revolutions in a day. There are 7 days in a week, so there are 1,440 x 7 = 10,080 revolutions in a week
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The 19th century was the years from 1801 to 1900 inclusive. To be a leap year, the year must be divisible by 4. There were 25 years in the 19th century which are divisible by 4. However, years ending in 00 (like 1900) must also be divisible by 400. 1900 is not divisible by 400 so was not a leap year. 2000 is divisible by 400 so that was a leap year
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The first millennium lasted from 1 CE to 1000 CE. The second lasted from 1001 to 2000. The third millennium began in 2001 and will end in the year 3000
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There are 52 weeks in a year and a fortnight lasts for 2 weeks. So, to find the answer we divide 52 by 2: 52 ÷2 = 26
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There are 24 hours in a day, so 8,784 ÷ 24 = 366, the number of days in a leap year
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She waited 2 minutes for her bus to arrive. 06:31 + 2 = 06:33
The bus journey lasted 25 minutes. 06:33 + 25 = 06:58
She then walked for 12 minutes. 06:58 + 12 = 07:10
Susan arrived 20 minutes early. 07:10 + 20 = 07:30. Susan started work at 07:30, or 7:30 am