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CAT 2014: How to solve calculation intensive DI?

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CAT 2014: How to solve calculation intensive DI?

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Published : Thursday, 09 October, 2014 12:04 PM  
 
Data Interpretation (DI) will be the calculation intensive portion of the first section in CAT 2014.It will consist of a myriad of graphs, charts and tables from which you will have to glean and analyze data.
 
CAT 2014 aspirants who are appearing in exam on coming 16th & 22nd November 2014 may also notethat the key for cracking Data Interpretation questions is to quickly identify the key pieces of data that you will require to work on the questions asked.
 
You may practice now on Data Interpretation Questions: 
 
Directions for questions:
 
Answer the following questions on the basis of the information given below.
 
A car starts moving along a straight line in the North direction at t = 0 seconds. The speed–time graph for the car is given below for the first 15 seconds in which it covers a total distance of 320 metres. The bar chart given below shows the distance covered by the car in the next 15 seconds. The speed–time curve for the car is a straight line in the time intervals 0–5 seconds, 5–10 seconds, 10–15 seconds, 15–20 seconds, 20–25 seconds and 25–30 seconds.
 
CAT 2014 Study Material: Data Interpretation Questions
 
Q1:  What is the speed (in m/s) of the car at t = 15 seconds?
 
(a) 12       (b) 16       (c) 20      (d) 30
 
Q 2:  What is the speed (in m/s) of the car at t = 30 seconds?
 
(a) 16        (b) 12       (c) 8      (d) 4
 
Q 3: What is the average speed (in m/s) of the car between t = 8 seconds and t = 24 seconds?
 
(a) 20.7        (b) 17.7       (c) 31.2      (d) 22.2
 
Solutions
 
CAT 2014 Study Material: Data Interpretation Questions
 
1 .b
 
2. d
 
3. b
CAT 2014 Study Material: Data Interpretation Questions
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