Pie Chart Questions
In this article, we are going to have a look at the various kinds of Pie chart DI sets.
Type 1
Q. The pie chart given below represents the various percentages of the total production cost incurred by a company under different heads. Consider the pie chart and answer the item that follows.
If it is given that power constitutes 50% of the other costs and the power cost declines by 10%, then by what percentage will the total expenses of the company decrease?(a) 2.5%
(b) 5%
(c) 10%
(d) Cannot be determined.
Explanation:
Assume that the total expense of the company = Rs. 100.
Then, Other costs = Rs. 50
Now, Power cost = 50% of the other costs = 50% of 50 = Rs. 25.
Decrease in power cost = 10% of original rate = 10% of 25 = Rs. 2.5.
Hence, the percentage decrease in expenses = (2.5/100) × 100 = 2.5%.
Answer: (a)