# Mathematical Series Questions for Competitive Exams

Most students face difficulties while solving maths questions. Students need special diligence to understand mathematics skills and compound questions. For this reason, it is necessary to read the questions carefully. Also, mathematics is a subject in which the more we practice, the easier it seems.

Here in this blog, select math series questions and answers of SSC, Bank, RRB and other government exams are given. These math questions have been asked in competitive exams and are likely to be asked again in other competitive exams. So try to solve Mathematical questions daily.

## Mathematical Series Quiz

** Q : **

**What is the mode of the given data?**

**5, 7, 9, 7, 3, 7, 5, 7, 8, 6, 7**

(A) 7

(B) 6

(C) 5

(D) 3

Correct Answer : A

**Q :**

The median of a set of 11 distinct observations is 73.2. If each of the largest five observations of the set is increased by 3, then the median of the new set:

(A) is 3 times that of the original set

(B) is increased by 3

(C) remains the same as that of the original set

(D) is decreased by 3

Correct Answer : C

**Q :**

Find the standard deviation of the following data (rounded off to two decimal places). 5, 3, 4, 7

(A) 1.48

(B) 3.21

(C) 4.12

(D) 2.45

Correct Answer : A

**Q :**

The median of the following data will be _________.

32, 25,33,27, 35, 29 and 30

(A) 32

(B) 27

(C) 30

(D) 29

Correct Answer : C

**Q :**

Find the standard deviation of the following data (rounded off to two decimal places).

5, 3, 4, 7

(A) 1.48

(B) 3.21

(C) 4.12

(D) 2.45

Correct Answer : A

**Q :**

The mode of the following data is __________.

13,15,31,12,27,13,27,30,27,28 and16

(A) 28

(B) 27

(C) 30

(D) 31

Correct Answer : B

**Q :**

For a sample data, mean = 60 and median = 48. For this distribution, the mode is:

(A) 18

(B) 48

(C) 36

(D) 24

Correct Answer : D

**Q :**

The mean of 12 observations is 15. One more observation is included and the new mean becomes 16. The 13th observation is

(A) 20

(B) 24

(C) 26

(D) 28

Correct Answer : D

**Q :**

Runs scored by Rohit sharma in some 3 test Matches against Pakastian are as follows 101, 126, 32, 38, 52, and 40. Find median of the given scores.

(A) 46

(B) 46.5

(C) 50

(D) 47

Correct Answer : A

**Q :**

If the score of five students is 8,7,9,16,25, then their mean deviation will be.

(A) 12

(B) 13

(C) 5.2

(D) 6

Correct Answer : D