XI_Maths_Sequences and Series_6 Online Test

The sum of the series 12+ 22+ 32 + 42 +…..+ 152 is :
1080
1240
1460
1620
Three numbers are in GP their sum is 28 and their product is 512. The numbers are:
6, 9 and 13
4, 8 and 16
2, 8 and 18
2, 6 and 18
If the nth term of an AP is 4n +1, then the common difference is :
3
4
5
6
15,45,?, 405
90
75
135
51
3 5 8 7 4 6 4 6 5 2 2 3 58 58 62 ?
126
122
128
124
In these questions, some of the letters are missing. The missing letter is given in the proper sequence as one of the alternatives given under each questions. Find the correct choice. c..ca..ab…bc…
abcac
babca
ccabb
bcabb
In each of these questions given below, there is a series with one number missing as shown by question mark. This term is given as one of the alternatives. Mark the correct alternative : 4,9,25,?,169,289,361
49
74
89
91
For these questions, what is the missing element in the sequence represented by the question mark? A, G, L, P, S, ?
X
Y
W
U
For these questions, what is the missing element in the sequence represented by the question mark? 1, 1, 2, 6, 24, ?, 720
100
104
108
120
Find the next term in the given series in each of these questions. 198, 202, 211, 227,…
210
212
252
27
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This test is based on AIEEE, IIT JEE for those students who studying in class XI

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