Latest Elitmus Aptitude Question SOLUTION: There is a 3*3 grid,9squares are to be attached with stickers.There are3 red and 6 white stickers.each and every square needs a sticker. In how many ways the squares can be attache

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(#M40037756) ELITMUS Numerical Ability question Keep an EYE

There is a 3*3 grid,9squares are to be attached with stickers.There are3 red and 6 white stickers.each and every square needs a sticker. In how many ways the squares can be attached with stickers
Option
1)9c3
2)9c3+6c3
3)9c3/3!
4)(9c3+6c3)/3!

Asked In Elitmus naina (9 years ago)

Unsolved Read Solution (14)

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Read Solution (14) :

aditi bose  (9 years ago)

there are 9 boxes at start . now if we choose the red stickers then it would be 9C3 now we r left with 6 boxes and 6 stickers so it wil be 6c6.
ans is 9c3 * 6c6 =9c3

Is this solution Helpfull? Yes (43) | No   

Shikha Sinha  (9 years ago)

9C3*6C6=9C3

Is this solution Helpfull? Yes (4) | No (2)  

shilpy  (9 years ago)

9C3*6C6=9C3

Is this solution Helpfull? Yes (2) | No (3)  

LOKESH SAMANT  (9 years ago)

9C3
bcz if we sleact 3 out of 9 remaining 6 will be automaticaly taken by remaining 6
no need to slect remining 6 out of 6

Is this solution Helpfull? Yes (2) | No (1)  

vivek keshari  (9 years ago)

9c3
for first 3 square 3 red ball can occupy 3 square out of 9 squares
thus it can be done in 9c3 ways
nxt 6 white ball can be done in 6c6 ways
ans will be 9c3*6c6=9c3

Is this solution Helpfull? Yes (2) | No (1)  

Rajat  (9 years ago)

Total ways will be = 9! / 3!*6!= 9C3

Is this solution Helpfull? Yes (2) | No (1)  

Payal Bhatia  (9 years ago)

there are 9 items
they can be arranged in 9 seats in 9! ways
but the red stickers are of same color and same for white stickers
therefore answer is 9!/6! 3! ie 9c3

Is this solution Helpfull? Yes (2) | No   

vandana  (9 years ago)

B)9C3+6C3

Is this solution Helpfull? Yes (1) | No (8)  

Ankit Sachan  (9 years ago)

9c3*6c6=9c3

Is this solution Helpfull? Yes (1) | No (1)  

RAHUL KUMAR  (9 years ago)

9c3 ways squares can be attached with stickers.

Is this solution Helpfull? Yes (1) | No (2)  

shubham kumar  (9 years ago)

select 3 out of 9 or 6 out of 3
9c3+6c3

Is this solution Helpfull? Yes (1) | No (4)  

RAHUL KUMAR  (9 years ago)

ans 1)9c3 ways

Is this solution Helpfull? Yes (1) | No (1)  

ankita roy choudhury  (9 years ago)

there are 3X3 or 9 grids that are to be filled with 3 red and 6 white stickers. hence to atart filling we can start with either red stickers or white.. lets first fill with red stickers. so we choose 3 grids out of 9 by 9C3 and the rest are filled in one way by the rest 6 stickers.ans is 9C3*6C6=9C3. agn if we strt with whitethen simillarly ans is 9C6*3C3=9C6=9C3(nCr=nC(n-r))

Is this solution Helpfull? Yes (1) | No (1)  

Sameer Mohanty  (9 years ago)

as there are 3 red and 6 white tickers which are f same type. therefore no of ways = 9!/6!*3! = 9C3/3! ways.

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