A) 60 seconds + 60 seconds + 60 seconds
B) 60 seconds + 60 seconds
C) 60 seconds
D) 60 seconds + 60 seconds + 60 seconds + 60 seconds
Correct Answer: D
Solution :
1 minute = 60 seconds 4 minutes \[=\text{ 6}0\text{ }\times \text{ 4 }=\text{ 24}0\] seconds 4 minutes = 60 seconds + 60 seconds + 60 seconds + 60 seconds.
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