JEE Main 11 Jan 2019 Shift 2 Solved Paper
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The number of functions f from {1, 2, 3, ..., 20} onto {1, 2, 3, ....., 20} such that f(k) is a multiple of 3, whenever k is a multiple of 4, is :-
[11 Jan 2019 Shift 2]
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