The length of a room floor exceeds its breadth by 20 m. The area of th – McqOptions

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1.	The length of a room floor exceeds its breadth by 20 m. The area of the floor remains unaltered when the length is decreased by 10 m but the breadth is increased by 5 m. The area of the floor (in square metres) is
A.	280
B.	325
C.	300
D.	420
Answer» D. 420

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