Mathematics
If S = {x | x is a letter in the word AHMEDABAD}, then the cardinal number of S is
9
8
7
6
Sets
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Answer
The letters in the word AHMEDABAD are A, H, M, E, D, A, B, A, D. Writing each letter only once, we get A, H, M, E, D, B.
S = {A, H, M, E, D, B}
So, the cardinal number of S = 6 i.e. n(S) = 6.
Hence, option 4 is the correct option.
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