Two taps A and B can fill a tank in 5 hours and 20 hours respectively. If both the taps are open then due to a leakage, it took 30 minutes more to fill the tank. If the tank is full, how long will it take for the leakage alone to empty the tank ?
Created: 6 years ago |
Updated: 3 years ago
best des
A ও B একত্রে tank টি পূর্ন করে = 20×5/20×5 = 100/25 ঘন্টা = 4 ঘন্টা।
Leakage সহ A ও B tank টি পূর্ণ করে ( 4 + 1/2) ঘন্টায় = 9/2 ঘন্টায়
Leakage 1 ঘন্টায় খালি করে ( 1/4 - 2/9) অংশ = 9 - 8 /36 = 1/36
Leakage দ্বারা tank টি খালি হয়. 36 ঘন্টায়
Md Azizur Rahman
Founder of Satt
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