Question

The annual maintenance cost of a machine in a factory over a $2$ year period is represented in the histogram. By how much did the maintenance cost decrease in $1998-99$ when compared to $1994-95$?

• A. $150$
• B. $50$
• C. $200$
• D. $100$

Answer 1

The correct option is D $100$

From the given histogram, we cay say

The maintenance cost decrease in $1998-99$ when compared to $1994-95=200-100=100$