A and B can do a piece of work in 5 days; B and C can do it in 7 days; A and C can do it in 4 days. Who among these will take the least time if put to do it alone?

A and B can do a piece of work in 5 days; B and C can do it in 7 days; A and C can do it in 4 days. Who among these will take the least time if put to do it alone? Correct Answer A

"A + B = 5 B + C = 7 ∴ C > A অর্থাৎ A এর চেয়ে C এর বেশি সময় লাগে আবার, A + C = 4 A + B = 5 ∴ B > C ∴ B > C > A অর্থাৎ কাজটি করতে A সবচেয়ে কম (least) সময় নিবে।"
Bissoy MCQ

Related Questions

Each of the following problem has a question and two statements which are labeled 1. and. Use the data given in 1. and 2. to decide whether the statements are sufficient to answer the question.Select one of the following . a.Statements (1) ALONE is sufficient,but (2) ALONE is not sufficient. b.Statements (2) ALONE is sufficient,but (1) ALONE is not sufficient. c. Both statement TOGETHER are sufficient but statement alone is sufficient . A worker is hired for six days.He is paid Tk.2 more for each day of work than he was paid for the preceding day of work.How much was he paid for the day of work?
Each of the following problem has a question and two statements which are labeled 1. and. Use the data given in 1. and 2. to decide whether the statements are sufficient to answer the question.Select one of the following . a.Statements (1) ALONE is sufficient,but (2) ALONE is not sufficient. b.Statements (2) ALONE is sufficient,but (1) ALONE is not sufficient. c. Both statement TOGETHER are sufficient but statement alone is sufficient .How many minutes are there is time period T? (1) Time period T extends from 12.00 midnight to 12.00 noon.(2) Time period T is 2 hours and 180 seconds long.
A and B can together complete a piece of work in 4 days . If A alone can complete the same work in 12 days, in how many days can B alone complete that work?
X alone can do a piece of work in 12 days and Y alone can do the same work in 6 days. In how many days will both together complete the same work?
P alone can do a piece of work in 8 days and Q alone can do the same work in 10 days. In how many days will both together complete the same work?
A & B together can complete a piece of work in 35 days, while A alone can complete the same Work in 60 days. B alone will be able to complete the same work in —— days.
A and B together can do a piece of work in 40 days. A having worked for 20 days, B finishes the remaining work alone in 60 days shall B finish the whole work alone?
Faruk can do a work in 12 days and Salam can do the same work in 8 days. If Faruk , Salam and Babu work together , they can complete the work in 4 days . How many days will it take Babu to complete the work alone ?
Each of the following problem has a question and two statements which are labeled 1. and. Use the data given in 1. and 2. to decide whether the statements are sufficient to answer the question.Select one of the following . a.Statements (1) ALONE is sufficient,but (2) ALONE is not sufficient. b.Statements (2) ALONE is sufficient,but (1) ALONE is not sufficient. c. Both statement TOGETHER are sufficient but statement alone is sufficient . A fly crawls around the outside of a circle once.A second fly crawls around the outside of a square once.Which fly travels further ? (1) The diagonal of the square is equal to the diagonal of the circle.(2) The fly crawling around the circle took more time to complete has journey than the fly cawing around the square.
P and Q together can make a door in 12 days. They started the work together but after 8 days P left the work. The remaining work is completed by Q alone in 7 more days. In how many days can P alone complete the entire work?