Question

46. Ram and Hari can do a piece of work in 12 and 18 days respectively. Ram begins
to do the work and they work alternately one at a time for one day each, in how many
days will the work be finished? ​

Answer 1

Answer:

one day work of ram and Hari=1/12 and 1/18 respectively.

let the no. of days taken by them =X

so,

x(1/12+1/18)=1

1/12+1/18=1/x

18+12/12*18=1/x

12*18/18+12=x

216/30=x

X=7.2 days

Step-by-step explanation:

Answer 2

Answer:

you are fully wrong. see the question, it's written Ram begins

to do the work and they work alternately one at a time for one day each, so how can you add both like this.