XI_Maths_Sequences and Series_10 Online Test

If  are in G.P.  and  are in A.P., then ____.
All 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  are in A.P. and  are in G.P. , then  is ____.
None of the above
If the A.M., G.M. and H.M. between two positive numbers  and  are equal, then ____.
If  are in A.P., then  will be in ____.
A.P
G.P. for
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 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 ____.
None of the above
If  and  are in H.P., then    are in ____.
A.P.
G.P.
H.P.
None of the above
The sum of  terms of   is ____.
Description:

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

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