Tips & Tricks to Solve Data Interpretation {DI} Questions | Shortcuts to Crack DI Examples, , Tricks for solving data interpretation problems, Data Interpretation – Tricks and Techniques

Data Interpretation {DI} is a very important part of Quantitative Aptitude Section of every Banking Examination {PO, Clerk, SO, Exam}. In the Banking Exam, there are minimum 10-15 questions asked in Prelims Exam from Data Interpretation Part. And when we talk about Mains Examination, IBPS, SBI has always conducted it’s mains examination keeping the name of the Quantitative Aptitude Section as Data Analysis & Interpretation. So, we hope, now bank aspirants understand how important Data Interpretation {DI} is for a banking aspirant to practice Data Interpretation.

## How to Solve Data Interpretation {DI} Problems | Easy Tricks

Data Interpretation generally asked are Tabular DI’s, Bar Graphs, Line Graphs, Cumulative Bar Graph, Pie Chart, Radar Graph, and Missing Data Interpretation. The new pattern Data Interpretation that are now being asked in the exams can be based on any miscellaneous topics like Time & Work, Pipes & Cisterns, and others. So one cannot expect the old pattern questions only that used to be based on simple Profit and Loss, Percentage or Ratio and Proportion Concept.

**Directions to Solve**

**Table Charts DI Question 1- 5**

**Number of Candidates Appeared and Qualified in a Competitive Examination from Different States Over the Years.**

State | Year | |||||||||

1997 | 1998 | 1999 | 2000 | 2001 | ||||||

App. | Qual. | App. | Qual. | App. | Qual. | App. | Qual. | App. | Qual. | |

M | 5200 | 720 | 8500 | 980 | 7400 | 850 | 6800 | 775 | 9500 | 1125 |

N | 7500 | 840 | 9200 | 1050 | 8450 | 920 | 9200 | 980 | 8800 | 1020 |

P | 6400 | 780 | 8800 | 1020 | 7800 | 890 | 8750 | 1010 | 9750 | 1250 |

Q | 8100 | 950 | 9500 | 1240 | 8700 | 980 | 9700 | 1200 | 8950 | 995 |

R | 7800 | 870 | 7600 | 940 | 9800 | 1350 | 7600 | 945 | 7990 | 885 |

**Question 1 **Total number of candidates qualified from all the states together in 1997 is approximately what percentage of the total number of candidates qualified from all the states together in 1998?

- 72%
- 77%
- 80%
- 83%

Answer: Option C 80%

**Question: – 2 ** What is the average candidates who appeared from State Q during the given years?

- 8500
- 8660
- 8990
- 8925

Answer: Option C

**Question: – 3** In which of the given years the number of candidates appeared from State P has maximum percentage of qualified candidates?

- 1997
- 1998
- 1999
- 2001

Answer: Option D

**Question 4**: – What is the percentage of candidates qualified from State N for all the years together, over the candidates appeared from State N during all the years together?

- 36%
- 16%
- 47%
- 15%

**Question: – 5** The percentage of total number of qualified candidates to the total number of appeared candidates among all the five states in 1999 is?

- 49%
- 84%
- 21%
- 57%

Answer: Option B

### Problems on **Bar Chart DI**

**Bar Chart DI Question 6- 10 **

**Question: 6:** – The ratio of the number of years, in which the foreign exchange reserves are above the average reserves, to those in which the reserves are below the average reserves is?

- 2:6
- 3:4
- 3:5
- 4:4

Answer: Option C

**Explanation:**

Average foreign exchange reserves over the given period = 3480 million US $.

The country had reserves above 3480 million US $ during the years 1992-93, 1996-97 and 1997-98, i.e., for 3 years and below 3480 million US $ during the years 1991-92, 1993-94, 1994-95, 1995-56 and 1998-99 i.e., for 5 years. Hence, required ratio = 3 : 5.

**Question: – 7** The foreign exchange reserves in 1997-98 were how many times that in 1994-95?

- 7
- 2
- 4
- 5

Answer: Option D

Explanation: Required ratio = 5040/3360= 1.5

**Question: – 8 **For which year, the percent increase of foreign exchange reserves over the previous year, is the highest?

- 1992-93
- 1993-94
- 1994-95
- 1996-97

Answer: Option A

**Question: – 9**: – The foreign exchange reserves in 1996-97 were approximately what percent of the average foreign exchange reserves over the period under review?

- 95%
- 110%
- 115%
- 125%

Answer: Option D

**Question: – 10**: – What was the percentage increase in the foreign exchange reserves in 1997-98 over 1993-94?

- 100
- 150
- 200
- 620

Answer: Option A

### Problems on **Bar Chart DI**

**Pie Chart DI Question: – 11 – 15**

Directions to Solve: – The following pie-chart shows the percentage distribution of the expenditure incurred in publishing a book. Study the pie-chart and the answer the questions based on it.

**Question: – 11**: – If for a certain quantity of books, the publisher has to pay Rs. 30,600 as printing cost, then what will be amount of royalty to be paid for these books?

- 18,450
- 17,200
- 22,950
- 25,150

Answer: Option C

**Question: – 12: –** What is the central angle of the sector corresponding to the expenditure incurred on Royalty?

- 15º
- 24º
- 54º
- 48º

Question: – 13: -The price of the book is marked 20% above the C.P. If the marked price of the book is Rs. 180, then what is the cost of the paper used in a single copy of the book?

- 36
- 37.50
- 42
- 44.25

Answer: Option B

**Question 14:** – If 5500 copies are published and the transportation cost on them amounts to Rs. 82500, then what should be the selling price of the book so that the publisher can earn a profit of 25%?

- 187.50
- 191.50
- 175
- 180

Answer: Option A

**Question: – 15**: – Royalty on the book is less than the printing cost by:

- 5%
- 19%
- 20%
- 25%

Answer: Option D

### Questions from **Line Chart DI **

**Line Chart DI Question 16 – 20**

**Question: – 16**: -What is the difference between the number of vehicles manufactured by Company Y in 2000 and 2001 ?

- 55700
- 42350
- 34785
- 21000

Answer: Option D

Explanation: Required difference = (128000 – 107000) = 21000

**Question: – 17**: – What is the difference between the total productions of the two Companies in the given years ?

- 21000
- 25000
- 26000
- 27000

Answer: Option C

**Explanation**:

From the line-graph it is clear that the productions of Company X in the years 1997, 1998, 1999, 2000, 2001 and 2002 are 119000, 99000, 141000, 78000, 120000 and 159000 and those of Company Y are 139000, 120000,100000, 128000, 107000 and 148000 respectively.

Total production of Company X from 1997 to 2002

= 119000 + 99000 + 141000 + 78000 + 120000 + 159000 = 716000.

and total production of Company Y from 1997 to 2002

= 139000 + 120000 + 100000 + 128000 + 107000 + 148000 = 742000. Difference = (742000 – 716000) = 26000

**Question: – 18**:- What is the average numbers of vehicles manufactured by Company X over the given period ? (rounded off to nearest integer)

- 119333
- 113666
- 112778
- 111223

Answer: Option A

Explanation:

Average number of vehicles manufactured by Company X

= 1/6 x (119000 + 99000 + 141000 + 78000 + 120000 + 159000) = 119333

**Question: – 19**: – In which of the following years, the difference between the productions of Companies X and Y was the maximum among the given years?

- 1997
- 1998
- 1999
- 2000

Answer: Option D

Explanation: The difference between the productions of Companies X and Y in various years are:

- 1997 (139000 – 119000) = 20000.
- 1998 (120000 – 99000) = 21000.
- 1999 (141000 – 100000) = 41000.
- 2000 (128000 – 78000) = 50000.
- 2001 (120000 – 107000) = 13000.
- 2002 (159000 – 148000) = 11000.

Clearly, maximum difference was in 2000

**Question: – 20**: – The production of Company Y in 2000 was approximately what percent of the production of Company X in the same year?

- 165
- 164
- 115
- 102

Answer: Option B

**Quantitative Aptitude Exam Syllabus pdf 2023**

**Sequence & Series.****Simplification.****Average****Number Systems.****Profit & Loss.****Percentage.****Simple Interest & Compound Interest****Data Interpretation.****Time & Distance & Speed**

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