ABC26GN4282 · Area

Subject: General Aptitude · Chapter: Area · Exam: · Marks: · Difficulty:

The inner circumference of a circular race track, 14 m wide, is 440 m. Find the radius of the outer circle.
Answer
Answer (as printed):
Explanation
Let inner radius be r metres.  7  Then, 2 πr = 440 ⇒ r =  440 ×  = 70 m.  44  ∴ Radius of outer circle = (70 + 14) m = 84 m. 2 3

Explanation as extracted from the printed page; notation may be imperfect.

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