CAT Exam

SQUARE TILES ARE TO BE FITTED ON A SQUARE FLOOR SUCH THAT THE FLOOR LOOKS SAME FROM ALL SIDES. IF WE HAVE 6 TILES OF DIFFERENT COLOURS, THEN IN HOW MANY POSSIBLE WAYS, THE REQUIRED FLOOR CAN BE MADE SUCH THAT MAXIMUM COLORS ARE USED?

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CAT Other Question

four sisters-Suvarna, Tara, Uma and Vihba are playing a game such that the loser doubles the money of each of the other players from her share, They played four games and each sister lost one game in alphabetical order, At the end of fourth game, each sister had Rs.32. How much money did Suvarna start with ? How many words are there in which letters of the word RAINBOW be arranged so that the vowels are never together?