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5 cars are to be parked in 5 parking slots. there are 3 red colour cars, 1 blue colour car and 1 green car. how many ways the car can be parked?
Read Solution (Total 9)
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- total ways to park the cars having same colour =5!
but according to question ,there are 3 red cars,so no. of ways for parking
3 red cars=3!
and both blue & green in 1 ways
so, 5!/1!*3!*1! = 20 ways
hence correct answer must be 20 ways. - 10 years agoHelpfull: Yes(63) No(5)
- 20 , 5!/3!
- 10 years agoHelpfull: Yes(27) No(7)
- 5c3+5c1+5c1=20......
- 10 years agoHelpfull: Yes(15) No(5)
- 5! way the cars are parking in parking slots.But there is 3 same color cars.Hence,the answer is=5!/3!
- 10 years agoHelpfull: Yes(7) No(1)
- 5!/3!=20 ways divided by 3! since 3 same color cars
- 10 years agoHelpfull: Yes(4) No(0)
- 5!/3!*1!*1!=20ways
- 10 years agoHelpfull: Yes(2) No(0)
- 5^5 as 5 cars are to be parked in 5 parking slots each car can be parked in 5 ways so the answer will be 5^5.
- 10 years agoHelpfull: Yes(1) No(5)
- Ans: 9 days
Explain:-
........let d is the number of the day
12*18 = 12*6 +16*d
16*d = (12 *18 - 12*6) = 12*12
d = 144/16 = 9 - 10 years agoHelpfull: Yes(1) No(12)
- 5c3 * 2c1 * 1c1 = 20
- 10 years agoHelpfull: Yes(1) No(1)
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