If we were to form 4-digit numbers using 2, 3, 4, and 5 without repetition, then how many 4-digit numbers do we have? For instance, suppose a bakery has a selection of 20 different cupcakes, 10 different donuts, and 15 different muffins, how many different orders are there? Eight students should be accommodated in two 3-bed and one 2-bed room. In how many ways can they be accommodated?
If we were to form 4-digit numbers using 2, 3, 4, and 5 without repetition, then how many 4-digit numbers do we have? For instance, suppose a bakery has a selection of 20 different cupcakes, 10 different donuts, and 15 different muffins, how many different orders are there? Eight students should be accommodated in two 3-bed and one 2-bed room. In how many ways can they be accommodated?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Counting Principles
Answer the following problems below.
I. Evaluate the following
II. Problem Solving
- If we were to form 4-digit numbers using 2, 3, 4, and 5 without repetition, then how many 4-digit numbers do we have?
- For instance, suppose a bakery has a selection of 20 different cupcakes, 10 different donuts, and 15 different muffins, how many different orders are there?
- Eight students should be accommodated in two 3-bed and one 2-bed room. In how many ways can they be accommodated?
- In a playground, 3 sisters and 8 other girls are playing together. In a particular game, how many ways can all the girls be seated in a circular order so that the three sisters are not seated together?
- In a raffle draw, Elvira won a free trip to any of two of these cities: Baguio, Cebu, Bacolod, and Zamboanga. How many choices has she had?
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