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

1

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

Geology & Geophysics (GG) 2014

The total exports and revenues from the exports of a country are given in the two pie charts below. The pie chart for exports shows the quantity of each item 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 5 lakh tonnes and the total revenues are 250 crore rupees. What is the ratio of the revenue generated through export of Item 1 per kilogram to the revenue generated through export of Item 4 per kilogram?

A

1:2

B

2:1

C

1:4

D

4:1

Open complete paper

2

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

Geology & Geophysics (GG) 2015

Based on the figure below that shows typical distribution / partition coefficients (K_D= mineral/liquid) for REEs between various minerals and basaltic melt, which one of the following statements is NOT true?

A

REEs are compatible only in apatite.

B

Heavy REEs are compatible whereas Light REEs are incompatible in garnet.

C

REEs are incompatible only in apatite.

D

REEs are incompatible in olivine.

Open complete paper

3

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

Geology & Geophysics (GG) 2015

Based on the schematic figure below, match the boreholes B1, B2, B3 and B4 listed in Group I with their features listed in Group II.

Check answer

Open complete paper

4

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

Geology & Geophysics (GG) 2015

The masses and radioactive heat generation values respectively for different parts of the Earth are tabulated as given below.

Region	Mass x 1021 kg	Radioactive heat generation x 108 (mWkg-1)
Upper continental crust	8	96.40
Lower continental crust	8	40.00
Oceanic crust	7	18.60
Mantle	4080	0.26
Core	1880	0

Deduce which one of the following statements is NOT correct from the given data

A

Core does not contain any radioactive isotope

B

Lower continental crust is depleted in heat producing elements related to upper continental crust

C

Mantle produces the highest radiogenic heat

D

Upper continental crust produces the highest radiogenic heat

Open complete paper

5

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

Geology & Geophysics (GG) 2015

In a consolidated sandstone formation, the interval transit times of the formation, matrix and fluid are 70 \(\mu\)s, 55 \(\mu\)s and 190 \(\mu\)s respectively. The porosity of the formation is ________.

Check answer

Open complete paper

6

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

Geology & Geophysics (GG) 2016

Students taking an exam are divided into two groups, P and Q such that each group has the same number of students. The performance of each of the students in a test was evaluated out of 200 marks. It was observed that the mean of group P was 105, while that of group Q was 85. The standard deviation of group P was 25, while that of group Q was 5. Assuming that the marks were distributed on a normal distribution, which of the following statements will have the highest probability of being TRUE?

A

No student in group Q scored less marks than any student in group P.

B

No student in group P scored less marks than any student in group Q.

C

Most students of group Q scored marks in a narrower range than students in group P.

D

The median of the marks of group P is 100.

Open complete paper

7

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

Geology & Geophysics (GG) 2024 [Session 1]

The chart given below compares the Installed Capacity (MW) of four power generation technologies, T1, T2, T3, and T4, and their Electricity Generation (MWh) in a time of 1000 hours (h).
The Capacity Factor of a power generation technology is:
\[ \text{Capacity Factor} = \frac{\text{Electricity Generation (MWh)}}{\text{Installed Capacity (MW)} \times 1000 \text{ (h)}} \]
Which one of the given technologies has the highest Capacity Factor?

A

T1

B

T2

C

T3

D

T4

Open complete paper

8

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

Geology & Geophysics (GG) 2024 [Session 2]

Three distinct sets of indistinguishable twins are to be seated at a circular table that has 8 identical chairs. Unique seating arrangements are defined by the relative positions of the people.
How many unique seating arrangements are possible such that each person is sitting next to their twin?

A

12

B

14

C

10

D

28

Open complete paper

9

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

Geology & Geophysics (GG) 2021

The number of students passing or failing in an exam for a particular subject are presented in the bar chart above. Students who pass the exam cannot appear for the exam again. Students who fail the exam in the first attempt must appear for the exam in the following year. Students always pass the exam in their second attempt.
The number of students who took the exam for the first time in the year 2 and the year 3 respectively, are ______

A

65 and 53

B

60 and 50

C

55 and 53

D

55 and 48

Open complete paper

10

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

Geology & Geophysics (GG) 2023 [Session 1]

Which one among the following statements must be TRUE about the mean and the median of the scores of all candidates appearing for GATE 2023?

A

The median is at least as large as the mean.

B

The mean is at least as large as the median.

C

At most half the candidates have a score that is larger than the median.

D

At most half the candidates have a score that is larger than the mean.

Open complete paper