Question 6 & Question 7 & Question 8

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Question 6 & Question 7 & Question 8

Post by TECHNOTHLON on Wed Jul 20, 2016 6:05 pm

Somehow Mario gets out of the tunnel and then finds himself face-to-face with the evil gorilla Donkey Kong. Looking down, he saw that he was standing on a gigantic chessboard. He could see various chessmen standing along the board. Donkey Kong shouted, “Domination, total domination! Three challenges, and I want domination in them all!”

Hint : In chess, domination problems mean arranging a minimum number of a specific type of chess piece such that all places on the board are attacked by atleast one peice.
Total Domination: This is the same as domination but the spaces occupied by the attacking pieces should also be attacked by some other piece.

Question 6 :
What are the minimum number of moves knights have to make on the given 8*6 chess board so that in their final position, they dominate the entire chessboard if the initial position is as given in the figure beside?
(a)8 (b)10 (c)12 (d)None of these

Question 7 :
How many ways can you arrange 4 queens such that they will dominate a 5*9 chessboard?
(a)4 (b)2 (c)6 (d)None of these

Question 8 :
A 8x8 chess board is in the shape of a torus, where the chess board is on the outer surface of the torus(as shown below). How many minimum number of Knights are required to totally dominate it?
(a)8 (b)10 (c)12 (d)None of these

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Re: Question 6 & Question 7 & Question 8

Post by Parth on Thu Jul 21, 2016 7:39 pm

If I am not wrong 6.4)none of these
7.4)none of these

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Re: Question 6 & Question 7 & Question 8

Post by Pulkit on Thu Jul 21, 2016 8:48 pm

6. c)12
7. D) none of theese
8. c)12

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hell yeah!!!!

Post by supercoolguy on Thu Jul 21, 2016 9:20 pm

6) 10
7) 4
Cool None of these

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Re: Question 6 & Question 7 & Question 8

Post by Ayush1234567 on Thu Jul 21, 2016 9:31 pm

6)10
7) Not sure
Cool 12

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Re: Question 6 & Question 7 & Question 8

Post by Himanshu Kumar on Fri Jul 22, 2016 5:22 pm

6) is 10, not 12.
And 7) is none of these
I'm sure about these two answers.

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Re: Question 6 & Question 7 & Question 8

Post by JE18010126 on Sat Jul 23, 2016 3:26 pm

6)8
7) none of these

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Re: Question 6 & Question 7 & Question 8

Post by JE18010126 on Sat Jul 23, 2016 3:26 pm

6)8
7) none of these

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Re: Question 6 & Question 7 & Question 8

Post by Utkarsh Ranjan on Sun Jul 24, 2016 12:23 am

May i know how is 7:-none. Is it because it is now possible to dominate the board with 4 queens or there others cases are formed

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Re: Question 6 & Question 7 & Question 8

Post by Himanshu Kumar on Sun Jul 24, 2016 12:03 pm

7 is none of these because 4 queens can never dominate a 5*9 chess board.

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Re: Question 6 & Question 7 & Question 8

Post by JE18010126 on Sun Jul 24, 2016 3:09 pm

I found 7 ways to dominate the chess board

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Re: Question 6 & Question 7 & Question 8

Post by Vedantsaboo on Sun Jul 24, 2016 3:17 pm

I think four queens can dominate the chess board5,9

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Re: Question 6 & Question 7 & Question 8

Post by JE18010126 on Sun Jul 24, 2016 3:22 pm

Yes I'm sure but more than 6 so the answer is none of these

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....

Post by SidRis on Mon Jul 25, 2016 2:47 pm

6)8
7) none of these

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q. 7 answer is (b) 2

Post by utkarsh shekawat on Mon Jul 25, 2016 8:21 pm

q. 7 answer is b as 4 queens can easily dominate the chess board as if we place the 4 queens as 2-2 , 5-3 , 6-4 , 8-5 and the other one is that if we place the queens as 2-4 , 5-3 , 6-2 , 8-1  please chect it and correct the answer key soon .

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question 8

Post by atulsingh.pks@gmail.com on Thu Aug 11, 2016 5:44 am

the answer should surely be 12
8 knights can only dominate the chess board.
however the question asks for a total domination. 12 knights are required for that.
the placings are: d4, d5, e4, e5, a1, a8, h1, h8, c2, c7, f2, f7.

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Re: Question 6 & Question 7 & Question 8

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