8. In a 1-hour program, an FM channel plays thirteen songs, each of 3 minutes duration and
the radio jockey talks a total of fourteen minutes. If the rest of the program is filled with
advertisements of one minute duration each, how many advertisements are aired in the one
hour program?
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Answer:
Explanation:
Duration of 1 song is 1 minute.
Duration of 13 songs is 3×13=39minutes
Radio jockey talks 13 minutes
Total time of thirteen songs + radio jockey talks + duration of 1 advertisement = 39+13+1=53
No of advertisements=total time - 60 minutes = 60-53=7 advertisements
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