Question

Compare the increased maintenance cost percentage in the year $2000-2001$ and $1996-1997$.

• A. $40.5\%$
• B. $66.66\%$
• C. $55.45\%$
• D. $70.80\%$

Answer 1

The correct option is B $66.66\%$

From the histogram, the maintenance cost in the year:

$1995-1996$ is Rs. $2000$

$1996-1997$ is Rs. $3000$

$1997-1998$ is Rs. $1500$

$1998-1999$ is Rs. $2500$

$1999-2000$ is Rs. $4850$

$2000-2001$ is Rs. $5000$

$2001-2002$ is Rs. $7200$.

Then, the increased maintenance in the year $2000-2001$ and $1996-1997=$ $5000-3000=2000$.

Therefore, the increased maintenance percentage in the year $2000-2001$ and $1996-1997$

$=\frac{5000-3000}{3000}\times 100\%$ $=66.66\%$.

Hence, option $B$ is correct.