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Question
In a 2 × 4 rectangle grid shown below, each cell is a rectangle. How many rectangles can be observed in the grid?
In a 2 × 4 rectangle grid shown below, each cell is a rectangle. How many rectangles can be observed in the grid?
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Solution
The correct option is C 30
(c)
Number of rectangules will be
5C2×3C2
10 × 3 = 30
As whenever any two horizontal and any two vertical lines are choosen their intersection will produce a rectangle.
(c)
Number of rectangules will be
5C2×3C2
10 × 3 = 30
As whenever any two horizontal and any two vertical lines are choosen their intersection will produce a rectangle.
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