At 6 o clock a clock ticks 6 times. The time between first and last ticks is 30 seconds. How long does it tick at 12 o clock ?

At 6 o clock a clock ticks 6 times. The time between first and last ti

1.	At 6 o clock a clock ticks 6 times. The time between first and last ticks is 30 seconds. How long does it tick at 12 o clock ?
A.	66 sec
B.	55 sec
C.	36 sec
D.	24 sec
Answer» B. 55 sec

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At 6 o clock a clock ticks 6 times. The time between first and last ticks is 30 seconds. How long does it tick at 12 o clock ?

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