If NO is coded as 210, NOT is coded as 4200 and NOTE is coded as 21000, then how is NOTES coded?

Mental Ability & Logical Reasoning ·Previously asked in UPSC Civil Services Examination 2025

View the full solved paper: GS Paper II

Question

If NO is coded as 210, NOT is coded as 4200 and NOTE is coded as 21000, then how is NOTES coded?

  1. A. 399000 (Correct answer)
  2. B. 420000
  3. C. 440000
  4. D. 630000

Correct Answer

Option A — 399000

Detailed Solution & Explanation

The correct answer is 399000.

Key Points

  • NO=210: N×O=14×15=210.
  • NOT=4200: N×O×T=14×15×20=4200.
  • NOTE=21000: ×E (E=5, 21000/4200=5).
  • NOTES: ×S. S=19. 21000×19=399000. Answer: 399000.