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Question : The following bar graph shows the number of girls in a school over 5 years.

Find the percentage decrease in the number of girls from the year 2012 to the year 2013.

Option 1: 50%

Option 2: 40%

Option 3: 20%

Option 4: 30%


Team Careers360 12th Jan, 2024
Answer (1)
Team Careers360 19th Jan, 2024

Correct Answer: 50%


Solution : According to the question,
Initial Value (2012) = 28
Final Value (2013) = 14
$\therefore$ Percentage Decrease $=\frac{\text{ Initial Value – Final Value}}{\text{ Initial Value }} × 100 = \frac{ 28 – 14}{ 28} ×100 = \frac{ 14}{ 28}×100  = 50\%$
Hence, the correct answer is 50%.

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