turkey-yks 2016 Q18

turkey-yks · Other · lys1-math Combinations & Selection Selection with Adjacency or Spacing Constraints

A table consisting of two rows and 7 cells is given in the figure.
Patterns are created by painting 4 cells of this table black.
How many different patterns are there such that each row has at least one painted cell?
A) 26
B) 28
C) 30
D) 32
E) 34

A table consisting of two rows and 7 cells is given in the figure.

Patterns are created by painting 4 cells of this table black.

How many different patterns are there such that each row has at least one painted cell?\\
A) 26\\
B) 28\\
C) 30\\
D) 32\\
E) 34

Paper Questions

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