Question: Is it possible to have a (v, b, r, k, )-design Where (a) b = 28, r = 4, k = 3? (b) v =

Is it possible to have a (v, b, r, k, λ)-design Where
(a) b = 28, r = 4, k = 3?
(b) v = 17, r = 8, k = 5?

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