നൽകിയിരിക്കുന്ന ബാർ ഗ്രാഫ് അടിസ്ഥാനമാക്കി, 2004 മുതൽ 2008 വരെയുള്ള മൊബൈൽ ഫോണുകളുടെ വിൽപ്പനയിലെ ഏകദേശ ശതമാന വർദ്ധനവ് കണക്കാക്കുക.

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NTPC CBT-I (Held On: 7 Jan 2021 Shift 1)
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  1. 150%
  2. 50%
  3. 100%
  4. 200%

Answer (Detailed Solution Below)

Option 3 : 100%
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കണക്കുകൂട്ടൽ:

2004 ൽ മൊബൈൽ ഫോണുകളുടെ വിൽപ്പനയിൽ ശതമാന വർധന = 35

2008 ൽ മൊബൈൽ ഫോണുകളുടെ വിൽപ്പനയിൽ ശതമാന വർദ്ധനവ് = 70

2004 മുതൽ 2008 വരെയുള്ള മൊബൈൽ ഫോണുകളുടെ വിൽപ്പനയിലെ ശതമാന വർദ്ധനവ് = (70 – 35)/35 × 100

⇒ 35/35 × 100

⇒ 100%

∴ ആവശ്യമായ ശതമാനം 100% ആണ്

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