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J.A.C.,200910. (1) In how many ways can 10 seats in a bus be occupied by 4 passengers.(ii) In how many ways 6 prices can be distributed to 3 persons when each person is eligible for any of the prizes! |
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Answer» what is this mystery I can not solve it sorry because I am in 10 class please give me a answer 1 is 50402nd is 360 n is the number of total seats on the bus.x is the number of those seats you want to occupy at one time.the formula for nPx is:nPx = n! / (n-x)!in your problem, n is equal to 10 and x is equal to 4the formula becomes:10P4 = 10! / (10-4)! which is equal to 10! / 6! which is equal to 10×9×8×7=5040 |
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