A and b can finish a piece of work

Asked by admin @ 20/08/2021 in Math viewed by 301 People

A and B can finish a piece of work in 16 days and 12 days respectively. A started the work and worked at it for 2 days. He was then joined by B. Find the total time taken to finish the work.

Answered by admin @ 20/08/2021

ANS: A finishes the work in 16 days.

A finishes 1/16 of the work in one day.

A had worked for two days= 2*1/16 = 1/8

the work left after A has worked for two days = 1- 1/8 = 7/8

B finihses the work in 12 days

in 1 day B finishes 1/12 of the work.

A and B togeher in one day can finish= 1/16+1/12 = (3+4)/48= 7/48 of work

A and B together can complete the remaining work= (7/8) / (7/48)= 7*48/8*7 = 6 days.

therefore total time taken = 2 days by A alone + 6 days by both Aand B = 8 days

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Asked by maham237 @ 27/12/2020 in English viewed by 471 persons

Which element of an original text does a translator want to capture? a) the meaning of the authors work. b) the previous examples of the authors work. c) new connotations of words. d) facts and information of the author's life.

Asked by audra594 @ 08/07/2022 in English viewed by 760 persons

Which is true of a smoking cessation class? a) it will give you tips for dealing with cravings. b) it is more successful than going “cold turkey.” c) it will only work for a certain type of smoker. d) it is considered to be a last-resort method.

Asked by maham237 @ 13/01/2021 in Health viewed by 623 persons

What is the stream of consciousness writing technique? a. the traditional plot and structure the author uses to keep the flow of ideas. b. a work of literature that uses images of flowing rivers, streams, and lakes. c. is the non-traditional form of writing in which the reader gets to directly see a characters’ flow of thoughts. d. it is the same as the third-person point of view

Asked by maham237 @ 13/01/2021 in English viewed by 313 persons

A and b can finish a piece of work

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