Elementary Statistics Questions PDF for RRB NTPC 2024 Exam

To help candidates preparing for RRB NTPC improve their understanding of Elementary Statistics, Adda247 has created a set of high-quality multiple-choice questions (MCQs) on Statistics. These RRB NTPC Statistics Questions are designed in a fresh and engaging way, making it easier for you to understand the topic and strengthen your preparation. Practicing these MCQs will help clear your concepts, build your confidence, and increase your chances of success in the exam.

RRB NTPC Elementary Statistics Questions

Statistics can be an important and challenging subject in the RRB NTPC. In this article, we have brought to you some important questions related to Statistics. Detailed solutions and answers are also provided with each question, so that you can not only solve the questions correctly, but also strengthen your Statistics skills. This will make your preparation more effective, and you will be able to excel in the exam.
Important MCQs of Statistics for RRB NTPC

Important MCQs of Statistics Questions for RRB NTPC

Statistics is an essential topic in the RRB NTPC exam, covering fundamental concepts like mean, median, mode, probability, and data interpretation. This article presents a collection of important multiple-choice questions (MCQs) on Statistics specifically tailored for RRB NTPC aspirants.

Q1.   What is the average (arithmetic mean) of 5, 10, 15, 20, 25, 30, 35, 40, 45, 50

(a) 55

(b) 45

(c) 35

(d) 27.5

Q2.   The arithmetic mean of the length of 100 equivalent cars is d meters. Then, which of the following is the total length (in meters) of all the cars in term of d?

(a) d + 100

(b) 100 -d

(c)

(d) 100d

Q3.   What is the mean of 0, 1, 0, 9, 6, 14, 0, 10, 20

(a) 8.88

(b) 6.66

(c) 2.22

(d) 4.44

Q4.   Find the arithmetic mean of following:

x, x+1, x+2, x+3, x+4

(a) x +2

(b) 5x +10

(c)

(d)

Q5.   Evaluate the following for given set of numbers:

3 × mean + 2 × mode – 6 median

Set={1, 2, 2, 3, 3, 3, 4, 4, 4, 4}

(a) 0

(b) 1

(c) –1

(d) 2

Q6.   Find mean of first five prime nos.

(a) 5.6

(b) 3.6

(c) 5.4

(d) 4.5

Q7.   Runs scored by Virat Kohli in some test Matches against Australia are as follows 101, 126, 32, 38, 52, and 40. Find median of the given scores.

(a) 48

(b) 46.5

(c) 46

(d) 47

Q8.   The numbers of rupee notes of different denominations are given as below.

Find mode of above data

(a) 10

(b) 8

(c) 20

(d) 15

Q9.   The numbers of rupee notes of different denominations are given below.

Find mean of above data

(a)

(b)

(c)

(d)

Q10.17, x, 24, x + 4 are arranged in ascending order. The median of given data is 25. Find x

(a) 1

(b) 26

(c) 24

(d) 25

Solutions:

S1. Ans.(d) Sol.

Clearly, it’s an A.P. with common difference = 5

First term = 5 & Last term = 50

So, sum =

And, mean

S2. Ans.(d)

S3. Ans.(b)

S4. Ans.(a)

S5. Ans.(c)

S6. Ans.(a)

S7. Ans.(c)

S8. Ans.(c)

Sol.

Clearly ‘20’ is repeated twice so, mode = 20

S9. Ans.(a)

S10. Ans.(b)

RRB NTPC Elementary Statistics Questions PDF

If you want to access key questions on Elementary Statistics in a convenient PDF format, you can download the RRB NTPC Elementary Statistics Questions PDF using the link below. Just click the link to easily get the PDF. This resource will enhance your preparation and help you master the topic effectively.

Click Here to Download RRB NTPC Elementary Statistics Questions PDF