1) A tourism management company offers 6 sightseeing tours on each of 3 days. In how many ways can a tourist arrange to go on a sightseeing tour planned by this company?
2). If a courier guy has to deliver 9 parcels in the same area in a day, in how many possible ways can he deliver them?
3) A drug for the relief of asthma can be purchased from 5 different manufacturers in liquid, tablet, or capsule form, all of which come in regular and extra strength. How many different ways can a doctor prescribe the drug for a patient suffering from asthma?
Answers
Given : Few Number of Ways Questions
To Find : Number of Ways
Solution:
Sightseeing tour can be selected in ⁶P₃ ways
= 6!/3!
= 6 * 5 * 4
= 120 Ways
If a courier guy has to deliver 9 parcels in the same area in a day
then can be done in 9! ways
Manufacturer can be selected in 5 Ways
Form can be selected in 3 Ways
type can be selected in 2 ways
doctor prescribe the drug for a patient suffering from asthma in ways = 5 * 3 * 2 = 30 Ways
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