जॉइन Examsbookउत्तर : 1. "66 sec"
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 ?5
प्र: 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 ?
- 166 sectrue
- 255 secfalse
- 336 secfalse
- 424 secfalse
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उत्तर : 1. "66 sec"
व्याख्या :
Answer: A) 66 sec Explanation: For ticking 6 times, there are 5 intervals. Each interval has time duration of 30/5 = 6 secs At 12 o'clock, there are 11 intervals,so total time for 11 intervals = 11 x 6 = 66 secs.