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SAI International School
Sub – Mathematics
Class - IV
Topic – TIME
Sub topic – Regrouping of time
PRACTICE TIME
SUBJECTIVE QUESTIONS
1. The table shows the time taken by 3 boys to solve a puzzle.
Rahim 100 seconds
Karim 1 minute 57 seconds
Shamim 34 seconds less than 2
minutes
Solve the following questions based on the above table:
a) Who took the longest time?
b) How much time must be added or subtracted so that Karim and
Shamim could have completed the puzzle at the same time?
c) Convert the time taken by Rahim into minutes and seconds.
2. Convert:
a) 23 minutes 40 seconds = .......... minutes 100 seconds
b) 4 hours 45 minutes = 3 hours 40 minutes ........... seconds
