Friday, 17 February 2017

iv class revision on time

Revision on time
1.   1hr= ______min.
2.   1min = _____ sec.
3.   1day = ____hrs.
4.   February has 29 days only in a _____ year.
5.   On 4th march 2008 your age was 8 years. How many days older were you on 4th march 2009_____?
6.   Write in short form.
a)   1:35 in the afternoon_____
b)   3:30after midnight ______
c)    10:15 before noon_____
7. What time will it be?
     a)30  min after 11:30 p.m______
     b)5 hours after 4:35a.m_____
     c)45 min after 12 noon ______
    d)3 hours before 12midnight______
8. Give the 12 hours clock time
    a)1238 hours ______
    b)2200 hours _____
    c)0023 hours ______
    d)0520 hours _____
9. Change the following into 24 hours
     a)6:30p.m _____
     b)10:50a.m _______
     c)5:10p.m _______
     d)12 noon _____
10. Convert into minutes
    a)8 hours     b)5 hours 30minutes
11. Convert into hours and minutes
     a)6600min      b)7825min
12. Add the following
   a)25min 40sec and 20min 25sec
   b) 2hrs 40min and 6hrs 40min
13. Find the difference between
     a)3hrs 20min and 5hrs 50min
     b) 10hours 15 min and 11 hours
14. Raju takes 2min 30sec to swim 100m.How many seconds is that?
15. Rohit takes 2hrs 35min to finish his homework. How many minutes is that?



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