# DILR Concept 4: Pie Chart

Hello students! Welcome to DILR Concept 4

Concept name:– Pie Chart

Concept explanationOne or more pie charts are given. One needs to understand the data, connection between pie charts and solve questions accordingly

Sample set: Read the information given below and answer the questions that follows:

Pie chart I and Pie chart II show the break up – according to different expenditure heads and savings – of the incomes of Mr. And Mrs. Anand respectively. Pie chart III shows the break up – according to the type of savings – of the total savings of the couple (i.e., the savings of Mr. and Mrs. Anand together).

1. If Mr. Anand’s savings are twice the total savings of the couple invested in fixed deposits, what is the ratio of the income of Mr. Anand to that of  Mrs Anand?

(a)7 : 3           (b)  3 : 7                (c)  5 : 9                               (d)  9 : 5

1. If the ratio of the income of Mr. Anand to that of Mrs. Anand is 3 : 1, the total savings of the couple invested in PPF as a percentage of Mr. Anand’s savings are

(a)50%           (b)  65%                (c)  72%                               (d)  78%

Solution

1. Let Mr Anand’s income be x and Mrs Anand’s income be y.

According to given condition-: 0.05x = 2*(0.15*(0.05x+0.21y)

=>0.035x =0.063y

=>(x/y) =9/5. So (d) is correct answer

2. Given ratio of incomes = 3:1

Ratio of Savings =5:7 . Let the total saving be Rs 12 investment in PPF =30% of total savings => 30% of 12= 3.6

Required Percentage=(3.6*100)/5 = 72%

Level of difficulty: Easy

Hope you understood solving questions on pie charts

Happy learning!

Rahul Sir

CAT Coach

Quora profile: https://www.quora.com/profile/Rahul-Anand-51