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Q.No.3. If 20 men make 14 tables in 10 hours. How long will it take 12 men to make 40 tables? Q. No. 4. Eight workers build a house in 40 days. How many days will 20 workers take to build the same house? Q. No. 5. By selling a book for $216.50, a bookseller loses 12%. What is the cost price of the book?

Q.No.3. If 20 men make 14 tables in 10 hours. How long will it take 12 men to make 40 tables? Q. No. 4. Eight workers build a house in 40 days. How many days will 20 workers take to build the same house? Q. No. 5. By selling a book for $216.50, a bookseller loses 12%. What is the cost price of the book?

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
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Q.No.3. If 20 men make 14 tables in 10 hours. How long will it take 12 men to make 40 tables? Q. No. 4. Eight workers build a house in 40 days. How many days will 20 workers take to build the same house? Q. No. 5. By selling a book for $216.50, a bookseller loses 12%. What is the cost price of the book?
Transcribed Image Text:Q.No.3. If 20 men make 14 tables in 10 hours. How long will it take 12 men to make 40 tables? Q. No. 4. Eight workers build a house in 40 days. How many days will 20 workers take to build the same house? Q. No. 5. By selling a book for $216.50, a bookseller loses 12%. What is the cost price of the book?
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