Question

3.
The mean of a group of eleven consecutive natural numbers is m. What will be the percentage change in
the mean when next six consecutive natural numbers are included in the group? NTSE Stage-II(2017)
300
%
%
(B)
(C)
3
300
m
m%
(A) m%
m​

Answer 1

Answer:

Q2

M is a set consisting of a finite number of consecutive integers. If the median of the numbers in set M is equal to one of the numbers in set M, which of the following must be true?

I. The average (arithmetic mean) of the numbers in set M equals the median.

II. The number of numbers in set M is odd.

III. The sum of the smallest number and the largest number in set M is even