XL-week-30-Math-Time and Duration Quiz

How many seconds are there in 10 $ \frac{3}{4} $ hours?

• 36800

• 38800

• 38700

• 36700

• 38600

Olivia leaves 18 minutes before the library closes to catch a bus. The bus is at 6:15 p.m. What time did she leave the library?

• 5:57 pm

• 5:47 pm

• 5:58 pm

• 5:48 pm

• 6:33 pm

Amy starts her journey at 9:45 AM and heads back to her hotel at 4:30 PM. How many minutes did Amy spend during her journey?

• 425

• 415

• 395

• 385

• 405

The train from Manchester to Birmingham takes 2 hours and 23 minutes. If the train arrives in Birmingham at 1:39 PM, what time did it leave Manchester?

• 10:16 am

• 11:14 am

• 11:24 am

• 11:16 am

• 11:06 am

A basketball game starts at 7:45 PM and includes four 10-minute quarters. There are 2-minute breaks between the first and second quarters and between the third and fourth quarters, plus a 15-minute halftime break. What time does the game end?

• 8:32 PM

• 8:44 PM

• 8:42 PM

• 8:34 PM

• 8:46 PM

Sarah counts her heartbeats and finds that her heart beats 188 times in 2 minutes. How many times will her heart beat in 1 hour?

• 5600

• 5180

• 5240

• 5640

• 6240

Answer explanation

Sarah's heart beats 188 times in 2 minutes. In 1 hour (60 minutes), there are 30 two-minute intervals. So, 188 x 30 = 5640. Therefore, her heart will beat 5640 times in 1 hour.

A red light on a traffic signal turns on for 12 seconds and then turns off for 36 seconds. How many times, at max, would it turn on within 1 hour?

• 105

• 75

• 85

• 95

• 80

If it is 10 a.m. on a Monday in London, what day and time will it be in Beijing, considering Beijing is 7 hours ahead of London?

• Monday, 5 pm

• Sunday, 4 pm

• Monday, 3 am

• Sunday, 4 am

• Tuesday, 5 pm

Alex uses a stopwatch to track his activities. He spends 6,900 seconds reading a book and then 480 seconds doing exercises. What is the total time on Alex's stopwatch in minutes?

• 103

• 113

• 123

• 115

• 125

If it is 7:00 AM in Tokyo, people in New York are just starting their evening at 6:00 PM of the previous day. What does it tell you about the time in Tokyo with respect to New York?

• Ahead by 11 hours

• Ahead by 9 hours

• Behind by 11 hours

• Behind by 13 hours

• Ahead by 13 hours