Question

12 persons can finished a piece of work in 15 days.In how many days will the same work be completed by 20 persons

Answer 1

Answer:

Step-by-step explanation:12/15=20/x

12×x=15×20

x=15×20/12

x=5×5

x=25

Answer 2

Given:

Total number of people = 12

Days in which work is completed = 15

To find:

In how many days work will be completed by 20 people

Solution:

Let the time taken by 20 people to complete the work be = x days

Time taken by 12 people = 15 days

Thus, according to the question -

12 × 15 = 20x

20x = 180

x = 180/20

x = 9

Answer: In 9 days work will be completed by 20 people