Teaching NVS PGT 2024 Test Series Mathematics Permutations and Combinations

Let x be the number of permutations of the word ‘PERMUTATIONS’ and y be the number of permutations of the word ‘COMBINATIONS’. Which one of the following is correct ? 

1
x = y 
2
y = 2x
3
x = 4y
4
y = 4x
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