TCS Company Logical Reasoning Blood Relations

hey frens... they are asking sudoku puzzles.... they will give a sudoku and put x and y in some of the columns or rows of sudoku and ask to find the values of x and y....

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TCS Other Question
a cow and a horse are bought for rs200000.the cow is sold at profit of 20% and the horse at a loss of 10%.the overall gaim is 4000rs.the cost price of cow is a 3x3 grid is painted with red and blue... in how many ways can it be painted in such a way that even if the grid is rotated 180 degrees it looks as the one before rotating..