When an error of 1%is made in the length and breadth of a rectangle, the percentage error (%) in the area of a rectangle will be (A) 0 (B) 1 (C) 2 (D) 4

When an error of 1%is made in the length and breadth of a rectangle, the percentage error (%) in the area of a rectangle will be (A) 0 (B) 1 (C) 2 (D) 4
by

1 Answer

Answer :

Answer: B

Suppose length is 10 and bredth is 10 then area is 100,

1 % error then 9.9 *9.9 = 98.01.

Hence 2 % error will be there.
by

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