A takes three times as much time as B or twice as much time as C to finish a piece of work. Working together, they can finish the work in 3 days. B can do the work alone in how many days?

A

14 days

B

8 days

C

6 days

D

10 days

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Updated: 1 month ago

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If Rafi and Suman together can complete a job in 12 days. If Rafi alone can finish the job in 20 days, in how many days can Suman alone complete the work?

Created: 2 months ago

A

25 days

B

60 days

C

45 days

D

30 days

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Updated: 2 months ago

একটি চৌবাচ্চা দুইটি নল দ্বারা যথাক্রমে ২০ মিনিট ও ৩০ মিনিটে পূর্ণ হতে পারে। নল দুইটি একসঙ্গে খুলে দিলে চৌবাচ্চাটির তিন-চতুর্থাংশ পূর্ণ হতে কত সময় লাগবে?

Created: 1 month ago

A

৫ মিনিট

B

৬ মিনিট

C

৯ মিনিট

D

১০ মিনিট

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John can paint 60 walls in 20 minutes. Emma can paint 9 walls in 15 minutes. Working together, how many walls can they paint in 25 minutes?

Created: 2 months ago

A

65 walls

B

90 walls

C

75 walls

D

95 walls

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