Direction: The following table shows the variable time taken by different pipes to fill different ta….

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Direction: The following table shows the variable time taken by different pipes to fill different tanks of various capacities. Study the table and answer the question based on them.

Out of 6 pipes, 2 of each type, in how many ways can we assign two pipes to each tank such that Tank A must have a Pipe 2 as one of its filling pipes?

Options :-

1. 15 ways
2. 90 ways
3. 18 ways
4. 3 ways
5. None of these

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