A rectangular field has dimensions 25 m by 15 m. Two mutually perpendicular passages, 2 m wide have been left in its central part and grass has been grown in rest of the field. The area (in sq. metres) under the grass is :
A. 295 m2
B. 299 m2
C. 300 m2
D. 375 m2
Answer: Option B
Solution (By Examveda Team)
Area of the field := (25 × 15) m2
= 375 m2
Area of the passages :
= (25 × 2 + 15 × 2 - 2 × 2) m2
= 76 m2
Area under grass :
= (375 - 76) m2
= 299 m2

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