isi-entrance 2019 Q1

isi-entrance · India · UGA Permutations & Arrangements Distribution of Objects into Bins/Groups
You are given a $4 \times 4$ chessboard, and asked to fill it with five $3 \times 1$ pieces and one $1 \times 1$ piece. Then, over all such fillings, the number of squares that can be occupied by the $1 \times 1$ piece is
(A) 4
(B) 8
(C) 12
(D) 16 . 
You are given a $4 \times 4$ chessboard, and asked to fill it with five $3 \times 1$ pieces and one $1 \times 1$ piece. Then, over all such fillings, the number of squares that can be occupied by the $1 \times 1$ piece is\\
(A) 4\\
(B) 8\\
(C) 12\\
(D) 16 .
Paper Questions
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