Question

If 10 people can build a wall in 30 days. How long will 15 people take to build the same wall?
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Answer 1

Answer:

Step-by-step explanation:

Given :-

10 people build a wall in 30 days.

To find :-

how long will 15 people take to build the same wall?

Salutation :-

If 10 people build a wall in 30 days.

Then 1 people build a wall in 30 × 10 days = 300 days

•°• And 15 people build a wall in 300 / 15 days = 20 days.