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  9. Q81

SSC CHSL 2017 · Question 81 of 185

If 5∆1 = 40, 9∆9 = 0 and 7∆1 = 60, then find the value of 4∆9 = ?

Simplification

  1. A80
  2. B-30
  3. C-50Correct
  4. D-90

Answer: C. -50

Official answer key verified. Detailed explanation coming soon.

Source: SSC CHSL (Tier-1) 2017 Online Exam Paper held on 15 March 2018, Evening Shift (General Intelligence) — SSC-published paper with official answer key, via sscportal.in · official-answer-key

← Q80View full paper (185 questions)Q82 →

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