1.

1082many ways can the letters of word 'GLOOMY, be arranged so that the two O's should not betogether?(a) 240(b) 480(c) 600(d) 720OR

Answer»

total possible words=6!/2!=6×5×4×3=360possibility of both O together=5!×2!/2!=5×4×3×2=120so possibilities of both O not together=360-120=240



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