Question

5. A alone can complete a work in 12 days and B alone can complete the same work in 24 days. In how many
days can A and B together complete the same work?​

Answer 1

Answer:

method -1

24×12/24+12

288/36 =8

method 2

1/12+1/24

1×2/12×2+1/24

2/24+1/24

3/24

1/8

=8 days

method 3

take lcm of days 24

b =24

24/24 =1 work

24/12 =2 work

2+1 =3work

24/3 = 8days

I hope this is helpful to you