Subject: General Aptitude · Chapter: Area · Exam: · Marks: · Difficulty:
A rectangular field has dimensions 25 m by 15 m.
(a)44 cm
(b)60 cm
(c)100 m 80 cm
(d)125 m Two mutually perpendicular passages, 2 m wide 81. The area of a square is three-fifths the area of a have been left in its central part and grass has been rectangle. The length of the rectangle is 25 cm and grown in rest of the field. The area (in sq. metres) its breadth is 10 cm less than its length. What is the under the grass is (G.B.O., 2007) perimeter of the square? (Bank Recruitment, 2010) Cannot be determined
Answer
Answer (as printed): B
Explanation
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.
Explanation as extracted from the printed page; notation may be imperfect.