ABC26GN4755 · Volume and Surface Area

Subject: General Aptitude · Chapter: Volume and Surface Area · Exam: · Marks: · Difficulty:

2.2 cubic dm of lead is to be drawn into a cylindrical wire 0.50 cm in diameter. Find the length of the wire in metres.

Answer

Answer (as printed):

Explanation

Let the length of the wire be h metres. Then, 2  0.50  2.2  2.2 100 × 100 7 π×  ×h = ⇔ h =  × ×  = 112 m.  2 × 100  1000  1000 0.25 × 0.25 22 

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

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