12) Six Republicans and six Democrats orally cast their vote in the U.S. Senate.

Question

12) Six Republicans and six Democrats orally cast their vote in the U.S. Senate. In how many orders can they vote it so on and if a Republican must always they must alternate Republican, Democrat, Republican, Democrat and be the first to vote? 13) The Tasmanian House of Representatives has 435 members (235 Demublicans and 200 Republicrats). A set of 3 leaders- a Speaker, a Whip, and a Secretary- must be selected. How many different sets of leaders can be selected if the leaders cannot all be of the same political party? 14) A Tasmanian lottery ticket consists of choosing 7 different numbers between (and including) 10 and 52. The number of posible lottery tickets is given by 15) Forty-three drivers start a race. Assuming all he drivers are equally skilled, how many top ten finishes are possible? B-3

Explanation / Answer

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15) n = 43

We have to select 10 driver among 43

Combination will be applied

So,

Ways = 43C10

Ways = 1917334783

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