BITSAT SERIES Mathematics
Statistics
15 previous year questions.
Volume: 15 Ques
Yield: Medium
High-Yield Trend
1
2023 1
2021 1
2020 2
2019 1
2018 1
2017 1
2016 3
2015 1
2013 3
2010 Chapter Questions 15 MCQs
01
PYQ 2010
medium
mathematics ID: bitsat-2
Mean of 25 observations was found to be 78.4. But later it was found that 96 was misread as
69. The correct mean is
1
79.24
2
79.48
3
80.10
4
None of these
02
PYQ 2010
medium
mathematics ID: bitsat-2
If the mean, mode and S.D. of a frequency distribution are 41.45 and 8 respectively, then its Pearson’s coefficient of skewness is
1
(1)/(3)
2
-(1)/(2)
3
(2)/(3)
4
1
03
PYQ 2010
medium
mathematics ID: bitsat-2
Mean of observations was found to be . But later on it was found that was misread . The correct mean is
1
79.24
2
79.48
3
80.1
4
None of these
04
PYQ 2013
medium
mathematics ID: bitsat-2
If the value of mode and mean is 60 and 66 respectively, then the value of median is
1
70
2
64
3
60
4
90
05
PYQ 2015
hard
mathematics ID: bitsat-2
The average age of 8 men is increased by 2 years when one of them whose age is 20 years is replaced by a new man. What is the age of the new man?
1
28 yr
2
36 yr
3
34 yr
4
35 yr
06
PYQ 2015
hard
mathematics ID: bitsat-2
The arithmetic mean of the data with frequencies is
1
2
3
4
07
PYQ 2015
medium
mathematics ID: bitsat-2
The arithmetic mean of the data with frequencies is
1
2
3
4
08
PYQ 2016
medium
mathematics ID: bitsat-2
The arithmetic mean of numbers a, b, c, d, e is M. What is the value of
(a-M)+(b-M)+(c-M)+(d-M)+(e-M)?
1
2
3
4
5M
09
PYQ 2017
medium
mathematics ID: bitsat-2
The marks obtained by 60 students are given. The median of the data is
1
68.33
2
70
3
68.11
4
None of these
10
PYQ 2018
medium
mathematics ID: bitsat-2
In a frequency distribution, the mean and median are 21 and 22 respectively. Then its mode is approximately:
1
25.5
2
24.0
3
22.0
4
20.5
11
PYQ 2019
medium
mathematics ID: bitsat-2
The average age of 8 men is increased by 2 years when one of them whose age is 20 yr is replaced by a new man. What is the age of the new man?
1
28 yr
2
36 yr
3
34 yr
4
35 yr
12
PYQ 2019
medium
mathematics ID: bitsat-2
The arithmetic mean of the data 0,1,2,…,n with frequencies 1,1,1,…,1 is
1
2
3
4
(n)/(2)
13
PYQ 2020
medium
mathematics ID: bitsat-2
The arithmetic mean of numbers a,b,c,d,e is M. What is the value of
(a-M)+(b-M)+(c-M)+(d-M)+(e-M)?
1
2
3
4
5M
14
PYQ 2021
medium
mathematics ID: bitsat-2
The marks obtained by 60 students in a certain test are given below:
Marks: 10–20, 20–30, 30–40, 40–50, 50–60, 60–70, 70–80, 80–90, 90–100
No. of students: 2, 3, 4, 5, 6, 12, 14, 10, 4
No. of students: 2, 3, 4, 5, 6, 12, 14, 10, 4
Median of the above data is
1
68.33
2
70
3
68.11
4
None of these
15
PYQ 2023
medium
mathematics ID: bitsat-2
Find the mean deviation about the mean for the data:
1
3
2
24
3
10
4
8
About Statistics - BITSAT
Statistics is a vital chapter for BITSAT aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Statistics PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Statistics carry the most weight. Then, tackle the questions iteratively to solidify your understanding.