Find the missing number from amongst the given alternative which can replace "?"
20
15
26
48
23
In the following questions find out the missing number
24
162
6561
729
324
289
441
361
In the square the number in the blank place should be-
30
32
34
38
In each of the following questions, select the missing number.
10
22
110
5
9
11
13
25
27
31
7
8
127
142
158
198
