151.If 12 is the mean of 10 observations and 10 is added to each observation, then the new mean is:
120
13
24
24
320 Views
152.
The median of first 5 odd multiples of 5 is:
15
25
35
35
343 Views
153.The mean of prime numbers between 20 and 30 is:
21
26
25
25
180 Views
154.The class marks of frequency distribution are 10, 20, 30, 40,.... The class representing the class mark 30 is:
20–40
30–40
25–30
25–30
443 Views
Advertisement
155.If the mode of the given data 16, 18, 17, 16, 18, x, 19, 17, 14 is 18, then the value of x will be:
16
17
18
18
144 Views
156.The mean of x1 x2 is 6 and mean of x1 x2, x3 is 7. The value of x3 is:
7
8
9
9
154 Views
157.The sum of heights of a number of players is 745 cm and mean height of players is 149. The number of players is:
10
9
5
5
227 Views
158.If the mean of 3, 5, 0, 9 x, 7 and 13 is 7, the value of x is:
10
11
12
12
142 Views
Advertisement
159.In a morning walk, I had 20 rounds of a park. During this period, I came across person A, person B, person C and person D, 11 times, 7 times, 10 times and 5 times respectively. I want to represent this data graphically, which of the following is the best representation?
Multiple Choice Questions
Switch
