Subject
Bank Exam
Topic
Bangladesh Bank AD 2011
In the middle of around pool lies a water-lily. The water-lily doubles in size every day. After exactly 20 days the complete pool will be covered by the lily. After how many days will half of the pool be covered by the water-lily?
In the middle of around pool lies a water-lily. The water-lily doubles in size every day. After exactly 20 days the complete pool will be covered by the lily. After how many days will half of the pool be covered by the water-lily?
ক)
3খ)
7গ)
10ঘ)
19Explanation
Because the water lily doubles its size every day and the complete pool is covered after 20 days, half of the pool will be covered one day before that, after 19 daysRelated questions
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