. A student wants to wake up a schedule for seven-day span during which he/she will study one subject each day. He/she is taking four subjects mathematics, physics, chemistry and economics. Among 47 schedules, how many schedules devote at least one day to each subject.
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Answered by
4
Answer:
3
Step-by-step explanation:
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Answered by
0
Answer: 44
Step-by-step explanation:
- Given that the student plans a schedule for 7 days giving one day to one subject.
- He has 4 subjects Mathematics,Physics,Chemistry and Economics.
- Giving one day to each subject he will cover 4 days schedule and for the next 3 days he will cover again the 3 subjects.
- In 47 schedules he will cover 44 schedules giving one day to each subject and then 3 days to the 3 subject.
- Hence,44 schedules devote one day to each subject.
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