Question

If each of the dimensions of a rectangle is increased by 200%,the area is increased by
300%
200%
800%
600%

Answer 1

It is 400%.

you can check it too.

Breadth is 3cm

Length is 4cm

200/100*3 = 6

200/100*4 = 8

Area with normal dimension = 12 cm square

Area with niw dimension = 48 cm square

x/100 * 12 = 48

x/100 = 4

x = 400%

Please check your question as there is no option for 400%