Math, asked by nitinkumar44, 11 months ago

एक टंकी को नल A द्वारा 9 मिनट में भरा जा सकता है इसमें लगे नल B द्वारा खाली होने में कितना समय लगेगा जब A और B दोनों नल खुलें हो​

Answers

Answered by priya3883
0

Answer:

4mins 30sec

Step-by-step explanation:

if tank can be filled in 9min by tapA

then if tap B and tap A are opened ,

it will be empty in 9min ÷2= 4mins 30sec

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