Question

A kisi kam ko 60 dino me pura karta hai.A 15 dino tak kam karta hai phir B akele us kam ko 30 dino me pura karta hai to Aur B dono milkar us kam ko kitne dino me karenge.​

Answer 1

Answer:

15 dino main hi

Step-by-step explanation:

Answer 2

A*60=A*15+B*30

A*4=A*1+B*2

3A=2B

A/B=2/3

A+B=2+3=5 and total work = 60

So.. 60/5=12 is the ans