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A towel, when bleached, lost 20% of its length and 10% of its breadth. What is the percentage of decrease in area?
A. 30 %
B. 28 %
C. 32 %
D. 26 %
Answer : Option B
Explanation :
--------------------------------------------------------- Solution 1 --------------------------------------------------------- Let original length = 100 and original breadth = 100 Then original area = 100 × 100 = 10000
Lost 20% of lengt
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