The length of a rectangle is increased by 10% and breadth decreased by 10% Then the area of the new rectangle is Options: A . &nbspincreased by 1% B . &nbspdecreased by 10% C . &nbspdecreased by 1% D . &nbspneither decreased nor increased

The length of a rectangle is increased by 10% and breadth decreased by 10% Then

Question

The length of a rectangle is increased by 10% and breadth decreased by 10% Then the area of the new rectangle is

Options:

A . increased by 1%

B . decreased by 10%

C . decreased by 1%

D . neither decreased nor increased

Answer: Option C
Answer: (c)
Using Rule 7,
Net effect = $(x + y + {xy}/100)%$

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