UPSC One
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2010 · Q24

The three sides of a triangle are 10, 100 and x. Which one of the following is correct ?

Elementary MathematicsGeometry
  1. A10 < x < 100
  2. B90 < x < 110
  3. C90 ≤ x ≤110
  4. D90 ≤ x < 110

Explanation

Triangle inequality: 90<x<110.