Related Questions

Prabodh has done 1/2 of a job in 30 days, Sapan completes the rest of the job in 45 days. In how many days can they together do the job?
A 18 days
B 48 days
C 27 days
D 36 days
A man and a boy together can complete a job in 81 days. Two men and three boys together can complete the same job in 36 days. In how many days can four men together complete the same job?
A 21
B 27
C 30
D 36
A can do 75% of a job in 9 days and B can do half of the job in 8 days. If they work on it together, then in how many days can they do half of the job?
A 40\/7
B 24\/7
C 7\/2
D 9\/2
A, B and C can together do a job in 9 days. C alone can do the job in 36 days. In how many days can A and B do 50% of the job working together?
A 6
B 12
C 9
D 15
A can do a piece of work in 10 days. While B alone can do it in 15 days. They work together for 5 days and the rest of the work is done by C in 2 days. If they get Tk 450 for the whole work, how much money C should get from the whole?
A Tk 150
B Tk. 75
C Tk. 225
D Tk. 200
City High School must put together a debating team consisting of four debaters.There are candidates of equal ability : X,Y and Z who are all seniors; and A,B,C and D who are all juniors..The school requires that there should be two seniors and two juniors in the team.It is also necessary that all of the debaters be able to work with one another. *Debaters Y and A cannot work together. *Debaters Z and C cannot work together. *Debaters A and B cannot work together. which of the following statements must be false? 1.Debaters Y and C are never selected together. 2.Debaters Z and D are never selected together. 3.Debaters Z and D are never selected together.
A Only I
B Only II
C Only III
D All of these
In a factory there are 3 machines to perform a job. The newest machine can do the job in 3 days, another machine can do it in 4 days, and the third machine can do it in 6 days. How many days will the factory take to do the job using all three machines together?
A 1.333
B 4.333
C 6
D 13
Working together A and B can do a job in 40 days, B and C in 36 days and all three together in 24 days. In how many days can B alone do the job?
A 60
B 90
C 72
D 120
৪ঃ ৫= ১২ঃ x হলে x -এর মান কত হবে?
A ১২
B ১৩
C ১৪
D ১৫
চারটি সমানুপাতিক রাশির প্রান্তীয় রাশি দুটির গুনফল ২০০। প্রথম রাশিঃ দ্বিতীয় রাশি= ১ঃ২, দ্বিতীয় রাশিঃচতুর্থ রাশি= ১ঃ৪। তৃতীয় রাশিটি কত?
A ৫
B ১০
C ২০
D ৪০

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