At what time between 9 and 10 o’clock will the hands of a watch be together? Select the correct option
A) 49 1/11 min. past 9 B) 40 min. past 9 C) 45 min. past 9 D) 50 min. past 9 E) None
Sol.   To be together between 9 and 10 o’clock, the minute hand has to gain 45 min. spaces. 55 min. spaces gined in 60 min.   45 min. spaces are gained in [60 / 55 * 45] min. or 49 1/11 min.   ∴ The hands are together at 49 1/11 min. past 9.   49 1/11 min. past 9nswer 49 1/11 min. past 9
<result>A</result>
At what time between 9 and 10 o’clock will the hands of a watch be together?