Question

we- get to the meeting on time yesterday, because the train was deliy by one hour​

Answer 1

Answer:

Let, Faizu and Jannat can paint a room in 'x' hours. So, they both can paint 1/x of the room in 1 hour. So, they both can paint a room in 2. 66 hours or 3 hours(approx.).

Answer 2

Answer:

e- get to the meeting on time yesterday, because the train was deliy by one hour