How many more rectangles should be shaded such that\[\frac{3}{4}\]of the figure is shaded?
A) 18
B) 12
C) 24
D) 6
Correct Answer: B
Solution :
Total number of rectangles in the given figure = 24 No. of rectangles to be shaded to show \[\frac{3}{4}\]of it shaded \[=\frac{3}{4}\times 24=18\] No. of shaded rectangles in the given figure = 6 \[\therefore \] More no. of rectangles to be shaded \[=\text{18}-\text{6}=\text{12}\]
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