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It takes 15 seconds to fill 2 buckets with one tap. So how many buckets will be filled in one and a half hour ?
1. 320
2. 720
3. 380
4. 600

1 Answer

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Correct Answer - Option 2 : 720

Given:

Time taken to fill 2 buckets = 15 sec

Total Time = one and a half hour = 3/2 hours ,

Seconds = (60 × 60 × 3)/2 = 5400 sec

Buckets filled by one tap in 15 sec = 2

Formula used:

(M× T1)/Work1 = (M2 × T2)/Work2 

Calculation:

15/2 = 5400/buckets

buckets  = (5400 × 2)/15 = 720

∴ 720 buckets will be filled in one and a half hour

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