How to Solve Radar DI for SBI Exams – Preparation Tips and Tricks

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How to solve Radar DI for SBI Exams – Preparation Tips and Tricks

How to solve Radar DI for SBI Exams – Preparation Tips and Tricks.Welcome to the www.studywale.co online Study Portal. If you are preparing for SBI Clerk, SBI PO and NABARD, SSC CGL, SSC CHSL, MTS exams 2017-18, you will come across a How to approach Radar DI Problems. Here we are providing you some Tips and Tricks “How to solve Radar DI for SBI Exams – Preparation Tips and Tricks”.

This “How to solve Radar DI for SBI Exams – Preparation Tips and Tricks” is also important for other banking exams such as SBI PO, IBPS Clerk, SBI Clerk, IBPS RRB Officer, IBPS RRB Office Assistant, IBPS SO, SBI SO, SSC CGL, SS CHSL, MTS and other competitive exams.

How to solve Radar DI for SBI Exams – Preparation Tips and Tricks

Data interpretation is the most scoring but time consuming section in competitive examinations. But If you understand carefully, Data Interpretation problems can be solved with little ease with some easy tricks. Here are some important techniques to make Data Interpretation calculations fast.

  • The presentation of data is classified into various categories viz. Bar Graphs, Line Graphs, Pie Charts, Data Tables, Mixed Graphs, etc.
  • Nearly all DI questions are founded upon these three chapters of Mathematics viz. Percentages, Averages and Ratios.

Radar Chart

In this article, we are discussing the Radar Chart . Radar chart also known as a Spider Chart because its shape like spider and its has zero central point.

In this diagram, every value is represented with respect to a central point. All the changes in the values are expressed in the form of distance from the central point. Radar chart is not used for identifying the accuracy in data, but rather generalized relationships between data.

Sample Question:

In this question you have given number of mobile phones manufactured(in thousand) by 6 different companies in the years 2001 and 2002. Lets see this first from Table and Bar chart.

Number of mobile phones manufactured(in thousand) by 6 different companies in the years 2001 and 2002

table chart

Bar chart

image001

Radar Chart

We have seen the data through Table and Bar chart. Now we calculate this data through Radar chart.

Number of mobile phones manufactured(in thousand) by 6 different companies in the years 2001 and 2002

image002

As you can see Blue lines indicate year 2001 and Red line indicates year 2002.

Let’s Solve the problems.

1. In 2002,Which company manufactured the maximum number of Mobile Phones?

(a) Nokia

(b) Sony

(c)  Apple

(d) Samsung

Solution:

From the Chart you can clearly see the maximum number of Mobile Phones manufactured by Apple in 2002= 30,000 , Answer C

2. What is the average number of Mobile phones (in thousand) manufactured by all companies taken together in 2001?

(a) 17.5

(b) 18.5

(c) 20

(d) 22

Solution:

In 2001 Mobile manufactured,

Nokia= 20000, Micromax=10000, Samsung=5000, Apple= 10000, Sony=35000,HTC=25000

Total=20+10+5+10+35+25/6=105/6=17.5 Thousand, Answer A

3. The respective ratio between the number of Mobile Phones manufactured by Micromax in 2001 and that by Samsung in 2002 is ?

(a) 3 : 4

(b) 4 : 5

(c) 1 : 2

(d) 7 : 8

Solution:

The number of Mobile Phones manufactured by Micromax in 2001= 10000

The number of Mobile Phones manufactured by Samsung in 2002= 20000

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

4. The difference between the number of Mobile Phones manufactured by Nokia, Micromax and Samsung in 2001 and that by Apple , Sony and HTC in 2002 is ?

(a) 20000

(b) 30000

(c) 22000

(d) 25000

Solution:

The number of Mobile Phones manufactured  by Nokia, Micromax and Samsung in 2001, = 20 +10 +5=35000

The number of Mobile Phones manufactured  by Apple , Sony and HTC in 2002, =30 +20 +10=60000

Required difference= 60000-35000= 25000, Answer D

5. What is the percentage increase in production of Mobile Phones by Apple in 2001 in comparison to that in 2002?

(a) 200%

(b) 100%

(c) 300%

(d) 250%

Solution:

Production of Mobile Phones by Apple in 2001= 10

Production of Mobile Phones by Apple in 2002= 30

Percentage increase= 30-10/10 X 100% = 200%, Answer A


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