[" How much does a watch lose per "],[" day,if its hands coincide "],[" every "64" minutes? "]

How much does a watch gain per day if its hands coincide every 64 min

How much does the clock gain or lose per day if its hands coincide every 63 minutes ?

The minute hand of watch is 1.5 cm long. How far does its tip move in 40 minutes?

The minute hand of a watch is 2 cm long. How far does its tip move in 10 minutes?

The hour hand and the minute hand of a clock coincide at every relative peridic time is ,

The hour hand and the minute hand of a dock coincide at every relative periodic time is,

The minute hand of a watch is 1.5 cm long. How many cm does its extremity move in 40 minutes ? (Use pi= 3.14 )