Asha and Bhuvan can do a piece of work in 6 days and 9 days, respectively. They work on alternate days, starting with Asha on the first day. In how many days will the work be completed?
Answer & explanation
Correct answer: option 2
Asha = 6 days,
Bhuvan = 9 days,

⇒ They work on alternate days, starting with Asha:
1st day = 3 units
2nd day = 2 units
Every 2 days = 5 units
⇒ So, in 6 days 15 units of work will be completed,
⇒ And, in 7 days whole work will be completed.
Therefore, it will 7 days to complete the whole work.