The index number for the price of diesel in 2015 was 125 and in 2016 it was 140 , with 2011 as the base year. What is the percent increase in the pric - Mathematics MCQ Mathematics Mock Test - 6 2026 | ExamTest.live | ExamTest.live

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The index number for the price of diesel in 2015 was 125 and in 2016 it was 140, with 2011 as the base year. What is the percent increase in the price of diesel from 2015 to 2016 ?

A $25%$
B $40%$
C $12%$
D $15%$

Solution & Step-by-step Explanation

The percent increase is calculated based on the initial value (the index in 2015): % increase = \frac{Index _{2016} - Index _{2015}}{Index _{2015}} \times 100 % increase = \frac{140 - 125}{125} \times 100 % increase = \frac{15}{125} \times 100 = \frac{3}{25} \times 100 = 3 \times 4 = 12%

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The index number for the price of diesel in 2015 was 125 and in 2016 it was 140, with 2011 as the base year. What is the percent increase in the price of diesel from 2015 to 2016 ?

A

25%

B

40%

C

12%

D

15%

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