XI_Maths_Sequences and Series_7 Online Test

Find the next term in the given series in each of these questions. 35, 30, 25, 20, 15, 10,…
15
10
5
2
Find the next term in the given series in each of these questions. 125, 80, 45, 20, ……
8
12
10
5
Find out the right letters for the questions marks: A MAB N E I F J C O D P G K?
MN
LM
IE
None of these
Find the number which, when added to itself 13 times gives 112.
9
7
8
11
How many terms of the series 3, 9, 27…. Will add up to 363?
5
6
7
8
The sum of the series 1 + 1/2 +1/4+ 1/8 + 1/16 + …. 8 is:
2
4
8
8
If the sum of n terms of an arithmetic progression is 3n2 + 2n, what is the rth term?
6r + 1
6r – 1
3r + 1
3r – 1
The second term of a geometric progression is 2/3 and the fifth term is 16/81. Find the seventh term.
32/729
16/512
15/524
64/729
If x, y, z are in geometric progression and the expression xb – c y c – a z a – b is equal to 1, then a, b and c are in:
Geometric progression
Arithmetic progression
Harmonic progression
None of the above
The sum of six terms of an arithmetic progression is 9 and the sum of the first 9 terms is 6. the sum of the first fifteen terms will be:
- 6
- 15
3
- 3
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This test is based on AIEEE, IIT JEE for those students who studying in class XI

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