5. 2 men and 7 boys can do a piece of work in
4 days. It is done by 4 men and 4 boys in 3 days. How
long would it take for one man or one boy to do it?
(Ans: Man = 15 days, boy = 60 days)
Answers
Answer:
Login Ask a Question 2 men and 7 boys can do a piece of work in 4 days. It is done by 4 men and 4 boys in 3 days. ← Prev QuestionNext Question → 0 votes 8.9k views asked Sep 28, 2018 in Mathematics by Samantha (38.8k points) 2 men and 7 boys can do a piece of work in 4 days. It is done by 4 men and 4 boys in 3 days. How long would it take for one man or one boy to do it ? pair of linear equations in two variables cbse class-10 Share It On 1 Answer 0 votes answered Sep 28, 2018 by KajalAgarwal (44.5k points) selected Sep 28, 2018 by Vikash Kumar Let the man can finish the work in x days and the boy can finish the same work in y days. Work done by one man in one day = 1/x and work done by one boy in one day = 1/y On Multiplying eqn. (iii) by 2 and subtract eqn. (iv) from it Hence, one man can finish it in 5 days and boy in 60 days. ← Prev QuestionNext Question → Related questions 0 votes 1 answer 2 men and 7 boys can do a piece of work in 4 days. The same work is done in 3 days by 4 men and 4 boys. asked Mar 2, 2020 in Linear Equations by ShasiRaj (62.4k points) pair of linear equations in two variables class-10 0 votes 1 answer 8 men and 12 boys can finish a piece of work in 10 days while 6 men and 8 boys can finish it in 14 days. asked Jan 30, 2018 in Mathematics by sforrest072 (128k points) pair of linear equations in two variables class-10 0 votes 1 answer 6 men or 10 boys can complete a piece of work in 15 days. If 7 men and x boys complete the same piece of work in 9 days, asked Nov 16, 2020 in Commercial Mathematics by Beena01 (55.1k points) time and work class-8 0 votes 1 answer 12 men and 16 boys can do a piece of work in 5 days; 13 men and 24 boys can do it in 4 days. asked Nov 17, 2020 in Commercial Mathematics by Saavya (51.6k points) time and work class-8 0 votes 1 answer If 6 men and 8 boys can do a piece of work in 10 days, while 26 men and 48 boys can do the same work in 2 days, asked Nov 16, 2020 in Commercial Mathematics by Beena01 (55.1k points) time and work class-8 Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. Categories All categories JEE(20.5k) NEET(5.1k) Science(172k) Mathematics(78.3k) Number System(3.1k) Sets, Relations and Functions(1.2k) Algebra(8.0k) Commercial Mathematics(1.9k) Coordinate Geometry(1.6k) Geometry(3.5k) Trigonometry(1.8k) Mensuration(2.3k) Statistics(1.2k) Probability(1.0k) Vectors(357) Calculus(3.5k) Linear Programming(154) Statistics(1.9k) Environmental Science(1.5k) Biotechnology(324) Social Science(37.0k) Commerce(23.2k) Electronics(1.2k) Computer(7.4k) Information Technology(2.2k) Programming(51) Political Science(4.2k) Home Science(1.0k) Psychology(1.3k) Sociology(2.5k) English(20.9k) Hindi(4.9k) Aptitude(1.3k) Reasoning(869) GK(1.3k) Olympiad(488) Skill Tips(36) CBSE(296) RBSE(49.0k) General(8.2k) MSBSHSE(1.8k) Tamilnadu Board(59.1k) Kerala Board(5.8k) Send feedback About Us Privacy Policy Terms of Use Copyright Contact Us FAQ Advertise User Contribution to Sarthaks eConnect Managed by Sarthaks Digitizing India Read more on Sarthaks.com - https://www.sarthaks.com/174643/2-men-and-7-boys-can-do-a-piece-of-work-in-4-days-it-is-done-by-4-men-and-4-boys-in-3-days