Question

If 10 persons can do a private job in 20 days , then in how many days 20 persons with twice the efficiency can do the same private job?

Answer 1

40 I think so
please sorry because my answer is not perfect I think so

Answer 2

Answer:

5 days

Step-by-step explanation:

If 10 persons do private job in 20 days

then twice the no. of people (20 persons) can do the same job in half the time (10 days)

now since these 20 persons are twice efficient

so their working time (10 days) will reduce by half

which is 5 days