Question:medium

A man walks 8 km distance from a point S along a straight line to reach a point N. Then he turns 90 degrees and walks along a straight line to reach a point E. The distance between S and E is 17 km. Then the distance between N and E is:

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This problem uses the well-known Pythagorean triple \((8, 15, 17)\). Memorizing standard integer triples such as \((3,4,5)\), \((5,12,13)\), and \((8,15,17)\) allows you to spot missing right-triangle dimensions instantly without doing any scratchpad arithmetic.
Updated On: Jul 7, 2026
  • 15 km
  • 17 km
  • 12 km
  • 16 km
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The Correct Option is A

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