Question

3 persons can build a wall in 4 days ,Then 4 persons can build the same wall in ........ days.

Answer 1

Answer:

3 days

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Answer 2

Step-by-step explanation:

3 person build a wall = 4 days

then,

1 person build a wall = 3 × 4 days

so,

4 person build a wall = 3×4/4

= 3 days

Answer 3 days