XI_Maths_Sequences and Series_4 Online Test

If  are in G.P. then  are in ____.
A. P.
G. P.
H. P.
None of the above
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  are in one geometric progression and  in another geometric progression, then  are in ____.
A.P.
H.P.
G.P.
None of the above
Let the positive numbers a, b, c, d be in A.P., then abc, abd acd, bcd are ____.
Not in A.P./G.P./H.P.
In A.P.
In G.P.
In H.P.
If in the equation  the sum of roots is equal to sum of square of their reciprocals, then  are in ____.
A.P.
G.P.
H.P.
None of the above
If    are in H.P., then  are in ____.
A.P.
G.P.
H.P.
None of the above
The geometric mean of two numbers is 6 and their arithmetic mean is 6.5 . The numbers are ____.
(3, 12)
(4, 9)
(2, 18)
(7, 6)
If A.M. of two terms is 9 and H.M. is 36, then G.M. will be ____.
18
12
16
None of the above
If  are in A.P., then  will be in ____.
A.P
G.P. for
Description:

This test is based on AIEEE, IIT JEE for those students who studying in class XI

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