Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app

NDA 2021

Exam: NDA
Year: 2021
Subject: Mathematics
Chapter: Statistics

NDA 2021 · Mathematics · Statistics

For which of the following sets of numbers do the mean, median and...

For which of the following sets of numbers do the mean, median and mode have the same value?

Options

A $12,12,12,12,24$
B $6,18,18,18,30$
C $6,6,12,30,36$
D $6,6,6,12,30$

Correct answer

B. $6,18,18,18,30$

Step-by-step solution

For set of numbers :

6,18,18,18,30

Mean

=18

, Median

=18

, Mode

=18

.

Practice Statistics on Quantrex Academy →

More from Statistics

Let two lines of regression be x+y+11=0 and 2x+3y+4=0 for some data. What is the value of… NDA 2026 Passage: The frequency distribution of marks obtained by 100 students in a certain… NDA 2026 The standard deviation of 100 observations is 10 . If 5 is multiplied to each of the… NDA 2026 Passage: The frequency distribution of marks obtained by 100 students in a certain… NDA 2026 If the mean of 20 observations, namely x_1,x_2,x_3,…,x_ 20 is 1·414 , then what is the… NDA 2026 If the random variable X has mean 3 and standard deviation 5 , then what is the variance… NDA 2026 The standard deviation of 100 observations is 10. If 20 is added to each observation… NDA 2025 Consider the following statements: I. Mean and variance have the same unit of… NDA 2025 Consider the following for the four (04) items that follow: The frequency distribution of… NDA 2025 Consider the following for the four (04) items that follow: The frequency distribution of… NDA 2025 Consider the following for the two (02) items that follow: The sum and the sum of squares… NDA 2025 The arithmetic mean of 100 observations is 50. If 5 is subtracted from each observation… NDA 2025 The standard deviation of 100 observations is 10. If 5 is added to each observation and… NDA 2025 Consider the following for the two (02) items that follow: The sum and the sum of squares… NDA 2025 Consider the following for the four (04) items that follow: The frequency distribution of… NDA 2025 The frequency distribution of the marks obtained by students in a Science examination is… NDA 2025 Full Statistics list Statistics JEE Maths PYQs JEE Mathematics PYQs All NDA PYQs