Math, asked by kartick52, 1 year ago

A, B-এর.2 গুণ কর্মক্ষম। A ও B একত্রে একটি কাজ 7 দিনে করতে পারে। তবে A একা কাজটি কতদিনে করবে?

Answers

Answered by ASMDipto

3

Answer

Step-by-step explanation:

Answered by anantamahapatra303

0

Answer:

a+b=7×3=21

a=21/2

so the correct answer is 10/1/2

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