Question

Maths problem !!

1: $\bf{A}$ takes 6 days less than $\bf{B}$ to do the work . If both $\bf{A}$ and $\bf{B}$ working together can do it in 4 days , how many days will $\bf{B}$ take to do it ?

Topic : Pair of linear equation in two variables !

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Answer 1

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⇒ x=12 or x = 2 x cannot be less than 6.

So x=12

Therefore, 

B also can finish the work in 12 days.

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