If a,b,c are in A.P., then are in ____.
A.P.
G.P.
H.P.
None of the above
The sum of three decreasing numbers in A.P. is 27. If are added to them respectively, the resulting series is in G.P. The numbers are ____.
5, 9, 13
15, 9, 3
13, 9, 5
17, 9, 1
If three numbers be in G.P., then their logarithms will be in ____.
A.P.
G.P.
H.P.
None of the above
If and terms of an A.P. be in G.P., then will be in ____.
G.P.
A.P.
H.P.
None of the above
If are in A.P., then will be in ____.
A.P.
G.P.
H.P.
None of the above
If are in A.P. and are in G.P., then will be in ____.
A.P.
G.P.
H.P.
None of the above
Given and are in G.P., then are in ____.
A.P.
G.P.
H.P.
None of the above
If are in A.P. and are positive, the roots of the quadratic equation are all real for ____.
A boy goes to school from his home at a speed of x km/hour and comes back at a speed of y km/hour, then the average speed is given by ____.
A.M.
G.M.
H.M.
None of the above
In a G.P. the sum of three numbers is 14, if 1 is added to first two numbers and subtracted from third number, the series becomes A.P., then the greatest number is ____.
8
4
24
16