Area of a rectangular window is 420 sq ft. One half of the window has – McqOptions

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1.	Area of a rectangular window is 420 sq ft. One half of the window has 1cm2 grill, while the other half has a 3 cm2grill. Then the ratio of the area of grills in the 2nd half to the 1st half of window
A.	3 ∶ 1
B.	1 ∶ 3
C.	2 ∶ 3
D.	3 ∶ 2
Answer» B. 1 ∶ 3

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