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Question-1
Find the n
th
term of the A.P 3,8,13,18,23,...
(A)
5n - 2
(B)
5n + 2
(C)
-
5n - 1
(D)
-
5n + 2
Question-2
If 1 + 2 + 3 +...+ n = k then 1
3
+ 2
3
+...+ n
3
is equal to
(A)
k
2
(B)
k
3
(C)
(D)
(k+1)
3
Question-3
If k + 2,4k - 6,3k - 2 are the three consecutive terms of an A.P, then the value of k is
(A)
2
(B)
3
(C)
4
(D)
5
Question-4
Which term of the G.P 2,
,4,... is 64?
(A)
11
th
(B)
10
th
(C)
12
th
(D)
9
th
Question-5
Find the number of terms of the A.P
-
1,-7,
-
4,... to make the sum 104
(A)
11
(B)
13
(C)
12
(D)
14
Question-6
Find the common difference of the A.P :3,5,7,9,...
(A)
1
(B)
2
(C)
3
(D)
5
Question-7
For what value of n
1
the n
th
terms of the two A.P's given below are the same (1) 1,7,13,19,... (2) 64,63,62,...
(A)
8
th
(B)
9
th
(C)
10
th
(D)
12
th
Question-8
If a,b,c are in A.P then
is equal to
(A)
(B)
(C)
(D)
1
Question-9
Find the 15th term of the A.P
-
23,
-
19,
-
15,
-
11,...
(A)
11
(B)
22
(C)
33
(D)
44
Question-10
Find the first term of an A.P whose third term is 25 and fifth is 39
(A)
7
(B)
11
(C)
9
(D)
1
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Std 10
Tamil Nadu (English Medium)
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