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A tank has two leakages. The first leakage alone can empty the tank in 9 minutes and the second alone would have done it in 6 minutes. If water leaks out at a constant rate. how long does it take both the leakage together to empty the tank ?

A tank has two leakages. The first leakage alone can empty the tank in 9 minutes and the second alone would have done it in 6 minutes. If water leaks out at a constant rate. how long does it take both the leakage together to empty the tank ? Correct Answer 3.6 min

দুটি বাদে সবগুলো rose দুটি বাদে সবগুলো tulip দুটি বাদে সবগুলো daisy স্পষ্ট বোঝা যাচ্ছে মোট ফুল তিনটি এবং প্রতি প্রকারের ফুল আছে ১টি করে।

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