Ten observations 5, 9, 14, 15, x+1, 2x-13, 28, 30, 32, 34 are written in ascending order.The median of the data is 24. Find the value of x.
20
19
21
16
The expenditure of the family in a month is given in the figure below. If the difference of expenditure between education and travel is4000, then what will be the total income of the family?
50000
40000
60000
30000
When recast, the radius of an iron rod is made one-fourth. If its volume remains constant, then the new length will become
times of the original
16 times of the original
4 times of the original
times of the original
B.
16 times of the original
Let the radius of the rod be = r cm and Length be h cm
Volume = r2h cm3
Now taking one-fourth of the radius=cm
and volume will be equal to :
According to the question:r2h=
r2h=
New length = 16 h cm
The new length is the 16 fold of the original length
The mean of the median, mode and range of the observations 6, 6, 9, 14, 8, 9, 9, 8 is
10.3
8.5
10.5
8.8
According to the given graph, between which two consecutive months was the change in the auto sales the greatest?
April-May
May-June
January-February
February-March
Given n numbers, n > l, of which, one is 1- and all others are 1's. The mean of the n numbers is
n-
1-
1
n-
Which one is correct for the following data?
-1,3,2,0,1,6,8,5,10,11,5
Mean= Median =Mode
Mean= Mode
Mode= Median
Mean= 5
The total adults in a city are 6000. The various sections of them are indicated below.
I employes in the public sector
II employes in the private sector
III employes in the corporate sector
IV self employed
V unemployed
What percentage of the employed persons is self employed?
20
5
The mean of 10 numbers is 0. If 72 and-12 are included in these numbers, the new mean will be
0
5
6
60
What is the probability that a randomly selected factor from positive factors of 72 is less than 11?