Homework Help is Here – Start Your Trial Now!
Math
Advanced Math
1) How many positive integers with 6 or less digits are odd or divisible by 5 and do not contain any repeated digits? Leading O's are also not allowed. 19654

1) How many positive integers with 6 or less digits are odd or divisible by 5 and do not contain any repeated digits? Leading O's are also not allowed. 19654

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
See similar textbooks
icon
Related questions
Question

May I get a second opinion on my answers? (In Red)

1) How many positive integers with 6 or less digits are odd or divisible by 5 and do not contain any repeated digits? Leading O's are also not allowed. 19654 2) A barn has 12 black cats and 12 white cats. A farmer selects cats at random without looking at them. a) How many cats must he select to be sure of having 4 cats of the same color? 13 b) How many cats must he select to be sure of having at least 5 black cats? 12 3). 4) How many 5-digit numbers do NOT end in "97"? (For this question, a 5-digit number cannot begin with 0). 89,900 5) Imagine that there are 700 people that take a train. What is the largest integer k such that you can guarantee at least & people on the train share a birthday month? (There are 12 months in a year). 4
Transcribed Image Text:1) How many positive integers with 6 or less digits are odd or divisible by 5 and do not contain any repeated digits? Leading O's are also not allowed. 19654 2) A barn has 12 black cats and 12 white cats. A farmer selects cats at random without looking at them. a) How many cats must he select to be sure of having 4 cats of the same color? 13 b) How many cats must he select to be sure of having at least 5 black cats? 12 3). 4) How many 5-digit numbers do NOT end in "97"? (For this question, a 5-digit number cannot begin with 0). 89,900 5) Imagine that there are 700 people that take a train. What is the largest integer k such that you can guarantee at least & people on the train share a birthday month? (There are 12 months in a year). 4
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
Advanced Engineering Mathematics
Advanced Engineering Mathematics
Advanced Math
ISBN:
9780470458365
Author:
Erwin Kreyszig
Publisher:
Wiley, John & Sons, Incorporated
Numerical Methods for Engineers
Numerical Methods for Engineers
Advanced Math
ISBN:
9780073397924
Author:
Steven C. Chapra Dr., Raymond P. Canale
Publisher:
McGraw-Hill Education
Introductory Mathematics for Engineering Applicat…
Introductory Mathematics for Engineering Applicat…
Advanced Math
ISBN:
9781118141809
Author:
Nathan Klingbeil
Publisher:
WILEY
Mathematics For Machine Technology
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
Basic Technical Mathematics
Basic Technical Mathematics
Advanced Math
ISBN:
9780134437705
Author:
Washington
Publisher:
PEARSON
Topology
Topology
Advanced Math
ISBN:
9780134689517
Author:
Munkres, James R.
Publisher:
Pearson,
SEE MORE TEXTBOOKS