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Based on the bar graph given, calculate the approximate percentage increase in sales of mobile phones from 2004 to 2008.

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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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Calculation:

Percentage increase in sales of mobile phones in 2004 = 35

Percentage increase in sales of mobile phones in 2008 = 70

Percentage increase in sales of mobile phones from 2004 to 2008 = (70 –  35)/35 × 100

⇒ 35/35 × 100

⇒ 100%

∴ The required percentage is 100%

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