The mean of first six multiplies of 4 is
13.5
14.5
14
16
Mean of a set of observations is the value which
occurs most frequently
divides observations into two equal parts
is the sum of observations
is a representative of whole group
The arithmetic mean of first five natural numbers is
3
4
5
6
The mean of x , x + 3, x + 6, x + 9 and x + 12 is
x + 6
x + 3
x + 9
x + 12
At what subject is the student sharp ?
English
Mathematics
Science
History
The mean of x - 5y , x - 3y , x - y , x + y, x + 3y and x + 5y is 12.Then the value of x is
18
12
Cannot be determined
Data is not sufficient
The arithmetic mean of first ten natural numbers is
5.5
7.5
10
The weight (in kg ) of 5 men are 62,65,69,66 and 61.The median is
45 kg
66 kg
65 kg
55 kg
The mean of 10 observation is 25.If one observation,namely 25, is deleted, the new mean is
25
20
28
22
Write the ratio of the heights of highest peak and the lowest peak?
22:15
15:22
20 :13
13:22
