Clock Puzzles 7

Puzzle 1:

Puzzle 2:

Puzzle 3:

Puzzle 4: Calculate the angle between the two hands of clock when the clock shows 4 : 20 p.m. ?

A) 5 degrees                 B) 10 degrees

C) 15 degrees               D) 25 degrees

Puzzle 5: If a Siren sounds for every 5 seconds, how many times will it sound in ¾ of an hour?

A) 541 times                 B) 540 times

C) 450 times                 D) 275 times