Question

10 labourers can repair a road in 15 days .In how many days 30 labourers repair it.



Unitary Method​

Answer 1

Answer:

10 labour can repair a road in 15days.

then, 1labour can repair a raod =15/10=3/2

30labour can repair a road =30*3/2=45 days

Answer 2

Answer:

my self meghana class 9th from Karnataka as rohit gf