A can do a certain job in 25 days

Asked by admin @ 17/08/2021 in Math viewed by 329 People

A can do a certain job in 25 days which B alone can do it in 20 days . A started the work and was joined by B after 10 days . How many days taken in completing the work .

Answered by admin @ 17/08/2021

A = 25
B = 20
total work= 100
efficiency of A and B = 4 , 5
A = 10 × 4 = 40 works completed
remaining = 100-40 = 60
remaining work complete by A +B = 60/9 = 20/3 = 6 ⅔ days
again , total work completed in 10 + 6⅔ = 16 ⅔ day will be the answer...

A can do a certain job in 12 days

Asked by admin @ 16/08/2021 in Math viewed by 305 persons

A can do a certain job in 12 days. b is 60% more efficient than a how many days doesb alone take to do the same job?

How did herbert hoover respond to the demands of the bonus army? by using military f orce against its members by offering its members jobs in the military by ignoring it to focus on economic issues by offering its members government jobs 2

Asked by maham237 @ 10/01/2021 in History viewed by 442 persons

For each day, select the number of hours worked. timekeep time cards employee time record #0000 tim doe art dept. day in out mon. 8:00 3:10 tue. 8:05 3:25 wed. 8:00 2:30 thur. 7:55 2:45 fri. 7:58 3:38

Asked by maham237 @ 11/01/2021 in Mathematics viewed by 353 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 624 persons

A can do a certain job in 25 days

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