Tips & Tricks to solve Combination Chart Questions in DI

By Parnab Mallick|Updated : January 6th, 2021

We generally solved one chart at a time but sometimes we have given more than one chart. Many cases two or three chart and data given in those chart related to each other so We have to solve the questions based on these graphs separately. This set of graph called Combination chart or Mixed Graph because it contains more than one chart sometimes three.

We generally solved one chart at a time but sometimes we have given more than one chart. Many cases two or three chart and data given in those chart related to each other so We have to solve the questions based on these graphs separately. This set of graph called Combination chart or Mixed Graph because it contains more than one chart sometimes three.

Generally, questions asked from this chapter are based on the combinations as follows:

Combination chart

  1. Table and Line Graph: In this type of graph we are given a Line graph and a Table Graph and we have to solve the questions using the information given in both graphs together.
  1. Table and Bar Graph: In this type of graph we are given a Bar graph and a Table Graph and we have to solve the questions using the information given in both graphs together.
  1. Table and Pie chart: In this type of graph we are given a Pie Chart(circular chart) and a Table Graph and we have to solve the questions interpreting the data given in both graphs together.
  1. Bar graph and Pie chart: In this type of graph we are given a Pie Chart(circular chart) and a Bar Graph and we have to solve the questions interpreting the data given in both graphs together.
  1. Pie chart and Line Graph: In this type of graph we are given a Pie Chart(circular chart) and a Line Graph and we have to solve the questions interpreting the data given in both graphs together.
  1. Bar graph and Line Graph: In this type of graph we are given a Bar Graph and Line Graph and we have to solve the questions interpreting the data given in both graphs together.

Sometimes it looks complicated but it’s not like that if use the information given in graphs correctly we can solve the questions easily.

Sample Question:

Number of candidates appeared (in thousand) and percentage of candidates qualified in a competitive examination over the years(in thousand)

image001

 

image002

Here we have given two charts one is Bar Chart which shows the candidates appeared in examination and other graph is Line graph which shows percentage of  qualified candidate in this examination.

Before solve the questions we will do one thing. We will draw a table and will get the number of candidates who are qualified. After that it will be easy for us to solve the questions. Let’s do that.

Capture

1. In which of the following years, was the number of candidates qualified the lowest among the given years?

(a) 2007

(b) 2008

(c) 2004

(d) 2005

Solution: Above the table we can see that number of candidates qualified the lowest in 2008=1500,Answer B

2. What was the ratio between the number of candidates appeared in 2001 to appeared in 2006?

(a) 3 : 4

(b) 5 : 6

(c) 1 : 2

(d)  7 : 8

Solution: 

The number of candidates appeared in 2001= 10000

The number of candidates appeared in 2006= 20000

Required ratio= 10000 : 20000= 1 : 2, Answer C

3. How many candidates qualified in the year 2004 ?

(a) 7500

(b) 4500

(c) 3000

(d) 2000

Solution: Above the table we can see that number of candidates qualified in 2004 is = 7500, Answer A

4. The number of candidates qualified in 2003 was what percent of the number of candidates appeared in 2007?

(a)  10%

(b) 30%

(c) 40%

(d) 20%

Solution:

The number of candidates qualified in 2003=3000

The number of candidates appeared in 2007=15000

Required percentage= 3000/15000 X 100= 20%, Answer D

 5. What was the total number of candidates qualified over the years?

(a) 35000

(b) 33500

(c) 40000

(d)  32500

Solution: Above table we can see that total number of  candidates qualified, =3000 + 3000 +2000+ 7500 + 4500 + 8000+ 3000 + 1500 =32500, Answer D

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