Puzzle 1: How many times do the hands of a clock coincide in a day?
A) 20 B) 21
C) 22 D) 24
Puzzle 2: How many times are the hands of a clock at right angles in a day?
A) 22 B) 44
C) 38 D) 48
Puzzle 3: How much does a watch lose per day, if its hands coincide every 64 minutes?
A) 32.8/11 min B) 36.5/11 min
C) 90 min D) 96 min
Puzzle 4: How many times in a day the hands of a clock are straight?
A) 22 B) 21
C) 43 D) 44
Puzzle 5: At what time between 4 & 5 will the hands of a watch point in opposite directions?
A) 43 min past 4 B) 42.5/11 min past 4
C) 50.4/11 min past 4 D) 40 min past 4