Question
A rectangular pattern on the wall looks like this. The shaded triangle was painted with a special paint costing thrice the paint used for the remaining rectangle. What is the ratio of expenses in painting the shaded triangle and the remaining rectangle, Given that PQ=QS and QR=RS
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Answer: Option C
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C
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C
Option (c)
Each triangle formed by diagonals = 14th area of rectangle. Thus area of shaded triangle= 18th area of rectangle, remaining area= 78th of the rectangle. Thus ratio of costs: 3x (18):1x(84); = 3:7.
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