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In a unique hockey series between India & Pakistan, they decide to play on till a team wins 5 matches The number of ways in which the series can be won by India, if no match ends in a draw is: (A) 126 (B) 252 (C) 225 (D) none

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`=(9!)/(5!*4!)`
`=(9*8*7*6*5)/(5*4*3*2)`
`=126`ways.

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