Question

Rahul can finish one-fifth of his home work in one hour. Neha can finish three- seventh of her home work in one hour thirty minutes and riya can finish three fourth of her home work in three hours thirty minutes. If all of them start their home work at 12:00 p.M and can go to play as soon as they all finish their home work. When can they start to paly, if they take a break at 3:30 pm for thirty minutes?

Answer 1

Answer:

5:30 PM

Step-by-step explanation:

Rahul 1/5 = 1 hr

Rahul work = 5 hr

Nehs 3/7 = 1.5 hr

Neha Work  = 7*1.5/3

Riya 3/4 = 3.5 hr = 3 hours 30 mintes

Riya work = 3.5*4/3 = 14/3 = 4 hours 40 minutes

max time taken by Rahul = 5 hr

30 minutes break taken

so they can start after 5 hour 30 minute

5:30 PM

Answer 2

Answer:

5;30 pm

Step-by-step explanation:

see above ans for clear solution