Time (second, time intervals): แบบฝึกหัด

A runner takes 180 seconds to finish a race. How many minutes did the runner take?

A clock's second hand moved from the '2' mark to the '8' mark. How many seconds have passed?

A printer can print one page in \(12\) seconds. How many minutes will it take to print \(45\) pages?

A bell rings every 20 seconds. How many times will it ring in 1 minute (not including the first ring at 0 seconds)?

Sarah spent \(2\) minutes \(50\) seconds brushing her teeth and \(1\) minute \(30\) seconds washing her face. What was the total time interval spent in minutes and seconds?

Convert 4 minutes 15 seconds into seconds only.

A runner takes 145 seconds to complete a race. Express this time interval in minutes and seconds.

A song is 3 minutes 50 seconds long. If the song is played 3 times back-to-back, what is the total duration in minutes and seconds?

A baker uses a timer for three different batches of cookies.
Batch A: 420 seconds
Batch B: 315 seconds

(a) Which batch took longer, and by how many seconds?
(b) What is the total time for both batches in minutes and seconds?

An online video is 10 minutes and 25 seconds long.

(a) How many total seconds is the video?
(b) If a student watches the first 240 seconds, how much time is remaining in minutes and seconds?