Question

If the ratio of doing work of three person is 1:3:5, what is the ratio of time taken by these people to do the same amount of work?​

Answer 1

x : y : z

are three persons

Speed 4 : 3 : 5

Time 14:13:15

∴Speed∝1Time

L.C.M of 4, 3 and 5 = 60

∴ time14×60:13×60:15×60

15 : 20 : 12

Answer 2

Answer:- trick

1: 1/3:1/5

lcm of 3 and 5=15

15 : 5 :3

I hope you have