Question

plz tell me this question no. 11 I will mark BRAINLIEST who will give the answer and full solution. .

Answer 1

let a,b,c do the work in x,y,z days.
Then, in 1 day, a,b,c can do 1/x, 1/y, 1/z part.
ATQ, 1/x + 1/z = 1/16
(24+z)/24z=1/16
8z= 384
z= 48
now, 1/24+ 1/y + 1/48 = 2/30
on simplifying, 6y = 1440
y = 240.
Now, 1/24 + 1/240=11/240
Therefore the required answer is 11/240