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The following table shows the variable time taken by different pipes to fill different tanks of various capacities.

Tank A | Tank B | Tank C | |

Pipe 1 | 2.5 hrs | ‘x’ hrs | 15 hrs |

Pipe 2 | 3.0 hrs | 9 hrs | 18 hrs |

Pipe 3 | 4.5 hrs | ‘z’ hrs | ‘y’ hrs |

Important for :

1

C

For z, using proportions, for same flow rate in both tanks A & B for either pipe 2 & 3,z | = | 4.5 |

9 | 3 |

or, z = 4.5 × 3 = 13.5 hrs

For x, using proportions, for same flow rate in both tanks B & C for either pipe 1 & 2 ,

x | = | 15 |

9 | 18 |

or, x = | 15 | = 7.5 hrs |

2 |

Then, let speed during home to office travel be ‘q’ km/hr.

Distance from home to office = (q km/hr) (z hrs) = (q km/hr) (13.5 hrs) = 13.5q km

Distance from office to home = (49 km/hr) (x hrs) = (49 km/hr) (7.5 hrs) = 367.5 km

Equating distances, we have,

Distance from home to office = Distance from office to home

13.5q = 367.5

q = | 49 × 7.5 | = 27 km/hr (approximately) |

13.5 |

Hence, option C is correct.

2

B

Let the rate of flow of in-let water be ‘P’ m^{3}/hr.

Original time required for Tank A to fill by pipe 3 = 4.5hrs

Then, capacity of tank = (flow rate) x (time taken to fill) = 4.5 × P = (4.5P)m^{3}

Also,

Effective rate of flow of water = (P – 15) m^{3}/hr

Time required with leakage = 5.4 hrs

Capacity of tank = (flow rate) x (time taken to fill) = (P – 15) (5.4 hrs)

Equating the capacity of tank,

(4.5P) = (P – 15) (5.4)

(5.4 – 4.5) P= 5.4 × 15

P = | 5.4 × 15 |
= 6 × 15 = 90 m^{3}/hr |

0.9 |

Hence, option B is correct.

3

D

Time recorded for filling Tank B with pipe 2 = 9hrsIf this is 17% more than actual time (say, t hrs),

Then, t + (17% of t) = 9

1.16 t = 9

or, t = | 9 | = | 900 | = | 100 | hrs |

1.17 | 117 | 13 |

In table, 9hrs is replaced by (100/13)hrs.

For x, using proportions, for same flow rate in both tanks B & C for either pipe 1 & 2 ,

x | = | 15 |

9 | 18 |

or, x = | 15 | = 7.5hrs .......(i) |

2 |

For y(remaining unaltered), using proportions, for same flow rate in both tanks A & C for either pipe 1 & 3,

y | = | 4.5 |

15 | 2.5 |

or, y = | 15 × 45 | = 27hrs …(ii) |

25 |

For ‘NEW’ z, using proportions, for same flow rate in both tanks A & B for either pipe 2 & 3,

z | = | 4.5 |

100/13 | 3 |

or, z = 1.5 × | 100 | = | 150 | hrs....(iii) |

13 | 13 |

Then, (new y/z) – (old x/y) = | 27 | – | 7.5 |

150/13 | 27 |

= | 117 | – | 5 | = | (117 × 9) – (5 × 25) |

50 | 18 | 450 |

= | 1053 – 125 | = | 928 | = | 464 |

450 | 450 | 225 |

Hence, option D is correct.

4

A

Let the common factor be x. Then, water flow rate in tank B & C is 9x & 2x respectively.Time required to fill tank B & C with pipe 2 = 9 hrs & 18 hrs respectively.

Then, Volume of Tank B = (water flow rate) (time) = (9x) (9hrs) = 81x

And, Volume of Tank C = (water flow rate) (time) = (2x) (18hrs) = 36x

So, | Volume of Tank B | = | 81x | = | 9 |

Volume of Tank C | 36x | 4 |

Or, |
πrB^{2}h |
= |
rB^{2} |
= | 9 |

πrC^{2}h |
rC^{2} |
4 |

Ratio of area of base of tank b to tank C = πrB

Hence, option A is correct.

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In this article we will discuss What is Data Interpretation, How its important for Bank PO and Clerk Exams.

What is Data Interpretation and how its useful for lic aao, SBI Clerk, LIC, NABARD etc

In our day-to-day life, data is reported in the newspapers, on television, and in magazines. The data involves business, government, sports and many other topics. It is represented in an organized fashion, making it easy to interpret what you hear and read in the media. Those set of problems is being asked in different kind of form like Pie Chart di, Bar Chart di, Table Chart di, line chart di and info chart etc.

Now come back to the point data interpretation, Data has to be well organized for it to be useful. This process of interpreting and analysing data to extract meaningful information from it is Data Interpretation. Solving Data Interpretation problems involves the use of basic formulas and manipulation of numbers.

Data Interpretation is calculation-intensive. It consists of a myriad of graphs, charts and tables form which you have to glean and analyse data. The key to cracking this area is to quickly identify the key pieces of data that you require to work on the questions asked.

Problems in Data interpretation are probably the closest in resemblance to the kind of problems you will be dealing with as a manager. They test your decision-making ability and speed using the minimum possible data. They help you to draw conclusions from collected data, support decision making, and contribute to better process, product, and quality models.

Data Sufficiency problems involve testing your quantitative concepts. They usually take the form of a logical puzzle. Instead of solving a data sufficiency problem, all you need to do is determine if the given information is enough to solve the problem. To solve Data Interpretation Questions & Answers for Banking and Insurance Exams like SBI, IBPS, NABARD & RBI Grade B, NIACL, and LIC, you need to brush up your calculation skills; you need to perform calculations faster and accurately than others. The difficult Data interpretations should be solved within 10-12 minutes. The DI of moderate level should not consume more than 7-9 minutes of the time and easy DI's should be finished within 3.5-4 minutes.

In these Data Interpretation Quizzes, you familiarized yourself with the key concepts and improved your problem-solving abilities. At Smartkeeda you will get Easy level data interpretation to High level data interpretation at low cost. Practice and tests are important to optimize your preparation. First take the quizzes regarding your exams and take full mock test at Testzone to improve your problem-solving skills. Questions that have appeared in the previous IBPS PO exams are also a part of these quizzes. Go through them you can understand where the focus lies in an examination environment. The detailed solutions of the questions may provide some alternate strategies that can help you improve your speed and accuracy.

At Smartkeeda you can attempt High Level Data Interpretation quizzes and download (DI) PDF for free.