Elementary Statistics - Data Interpretation - General Aptitude (GA) Previous Year Questions

1

2012 · General Aptitude (GA) · Data Interpretation · Elementary Statistics

Mechanical Engineering (ME) 2012

The rate at which heat is extracted, in kJ/s from the refrigerated space is

A

28.3

B

42.9

C

34.4

D

14.6

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2

2014 · General Aptitude (GA) · Data Interpretation · Elementary Statistics

Mechanical Engineering (ME) 2014 [Session 3]

The statistics of runs scored in a series by four batsmen are provided in the following table. Who is the most consistent batsman of these four?

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3

2014 · General Aptitude (GA) · Data Interpretation · Elementary Statistics

Mechanical Engineering (ME) 2014 [Session 3]

The exports and imports (in crores of Rs.) of a country from 2000 to 2007 are given in the following bar chart. If the trade deficit is defined as excess of imports over exports, in which year is the trade deficit 1/5th of the exports?

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4

2014 · General Aptitude (GA) · Data Interpretation · Elementary Statistics

Mechanical Engineering (ME) 2014 [Session 4]

The total exports and revenues from the exports of a country are given in the two charts shown below. The pie chart for exports shows the quantity of each item exported as a percentage of the total quantity of exports. The pie chart for the revenues shows the percentage of the total revenue generated through export of each item. The total quantity of exports of all the items is 500 thousand tonnes and the total revenues are 250 crore rupees. Which item among the following has generated the maximum revenue per kg?

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5

2015 · General Aptitude (GA) · Data Interpretation · Elementary Statistics

Mechanical Engineering (ME) 2015 [Session 1]

An electric bus has onboard instruments that report the total electricity consumed since the start of the trip as well as the total distance covered. During a single day of operation, the bus travels on stretches M, N, O, and P, in that order. The cumulative distances travelled and the corresponding electricity consumption are shown in the Table below.

Stretch	Cumulative distance (km)	Electricity used (kWh)
M	20	12
N	45	25
O	75	45
P	100	57

The stretch where the electricity consumption per km is minimum is

A

M

B

N

C

O

D

P

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6

2015 · General Aptitude (GA) · Data Interpretation · Elementary Statistics

Mechanical Engineering (ME) 2015 [Session 1]

For a canteen, the actual demand for disposable cups was 500 units in January and 600 units in February. The forecast for the month of January was 400 units. The forecast for the month of March considering smoothing coefficient as 0.75 is ______

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7

2015 · General Aptitude (GA) · Data Interpretation · Elementary Statistics

Mechanical Engineering (ME) 2015 [Session 2]

Sales data of a product is given in the following table:

Month	January	February	March	April	May
Number of units sold	10	11	16	19	25

Regarding forecast for the month of June, which one of the following statements is TRUE?

A

Moving average will forecast a higher value compared to regression.

B

Higher the value of order N, the greater will be the forecast value by moving average.

C

Exponential smoothing will forecast a higher value compared to regression.

D

Regression will forecast a higher value compared to moving average.

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8

2016 · General Aptitude (GA) · Data Interpretation · Elementary Statistics

Mechanical Engineering (ME) 2016 [Session 1]

In a huge pile of apples and oranges, both ripe and unripe mixed together, 15% are unripe fruits. Of the unripe fruits, 45% are apples. Of the ripe ones, 66% are oranges. If the pile contains a total of 5692000 fruits, how many of them are apples?

A

2029198

B

2467482

C

2789080

D

3577422

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9

2016 · General Aptitude (GA) · Data Interpretation · Elementary Statistics

Mechanical Engineering (ME) 2016 [Session 3]

The Venn diagram shows the preference of the student population for leisure activities.
From the data given, the number of students who like to read books or play sports is __________.

A

44

B

51

C

79

D

108

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10

2019 · General Aptitude (GA) · Data Interpretation · Elementary Statistics

Mechanical Engineering (ME) 2019 [Session 1]

A firm hires employees at five different skill levels P, Q, R, S, T. The shares of employment at these skill levels of total employment in 2010 is given in the pie chart as shown. There were a total of 600 employees in 2010 and the total employment increased by 15% from 2010 to 2016. The total employment at skill levels P, Q and R remained unchanged during this period. If the employment at skill level S increased by 40% from 2010 to 2016, how many employees were there at skill level T in 2016?

A

30

B

35

C

60

D

72

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11

2019 · General Aptitude (GA) · Data Interpretation · Elementary Statistics

Mechanical Engineering (ME) 2019 [Session 2]

Mola is a digital platform for taxis in a city. It offers three types of rides – Pool, Mini and Prime. The Table below presents the number of rides for the past four months. The platform earns one US dollar per ride. What is the percentage share of revenue contributed by Prime to the total revenues of Mola, for the entire duration?

A

16.24

B

23.97

C

25.86

D

38.74

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12

2020 · General Aptitude (GA) · Data Interpretation · Elementary Statistics

Mechanical Engineering (ME) 2020 [Session 1]

The bar graph shows the data of the students who appeared and passed in an examination for four schools P, Q, R and S. The average of success rates (in percentage) of these four schools is ______.

A

58.5 %

B

58.8 %

C

59.0 %

D

59.3 %

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13

2020 · General Aptitude (GA) · Data Interpretation · Elementary Statistics

Mechanical Engineering (ME) 2020 [Session 2]

The two pie-charts given below show the data of total students and only girls registered in different streams in a university. If the total number of students registered in the university is 5000, and the total number of the registered girls is 1500; then, the ratio of boys enrolled in Arts to the girls enrolled in Management is ______.

A

2 : 1

B

9 : 22

C

11 : 9

D

22 : 9

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14

2021 · General Aptitude (GA) · Data Interpretation · Elementary Statistics

Mechanical Engineering (ME) 2021 [Session 1]

The distribution of employees at the rank of executives, across different companies C1, C2, ..., C6 is presented in the chart given above. The ratio of executives with a management degree to those without a management degree in each of these companies is provided in the table above. The total number of executives across all companies is 10,000.
The total number of management degree holders among the executives in companies C2 and C5 together is____.

A

225

B

600

C

1900

D

2500

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15

2023 · General Aptitude (GA) · Data Interpretation · Elementary Statistics

Mechanical Engineering (ME) 2023

A certain country has 504 universities and 25951 colleges. These are categorised into Grades I, II, and III as shown in the given pie charts.

What is the percentage, correct to one decimal place, of higher education institutions (colleges and universities) that fall into Grade III?

A

22.7

B

23.7

C

15.0

D

66.8

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16

2024 · General Aptitude (GA) · Data Interpretation · Elementary Statistics

Mechanical Engineering (ME) 2024

The bar chart gives the batting averages of VK and RS for 11 calendar years from 2012 to 2022. Considering that 2015 and 2019 are world cup years, which one of the following options is true?

A

RS has a higher yearly batting average than that of VK in every world cup year.

B

VK has a higher yearly batting average than that of RS in every world cup year.

C

VK's yearly batting average is consistently higher than that of RS between the two world cup years.

D

RS's yearly batting average is consistently higher than that of VK in the last three years.

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