If two-third of a bucket is filled in 6 minute then the time taken to fill the bucket completely will be . Pick one
A) 90 seconds B) 70 seconds C) 60 seconds D) 9 minutes E) 120 seconds

Rationale: "2 / 3 filled in 6 mint 1 / 3 filled in 3 mint thn 2 / 3 + 1 / 3 = 6 + 3 = 9 minutes answer : d"
Answer: D