3 - 2x, 1, 3x - 7 are three consecutive terms of an AP. Then x is
8
6
10
12
If 103 is the first term of an AP and -22 is the common difference then the second term is
125
81
-46
-81
If the 6th term of an AP is zero and its 16th term is -20. What is its 26th term?
20
40
-40
-80
Sum of first 10 natural numbers is
50
53
55
57
If the nth term of the series 3 + 10 + 17 +.......... and 63 + 65 + 67 ........ are equal. Then the value of n is
13
14
15
The number of odd integers between 8 and 80 is
41
39
37
36
If a = -5, d = 3, Sn = 110. Then the value of n is
11
In a certain AP, 5 times the 5th term is equal to 8 times the 8th term, then its 13th term is
0
-1
-12
-13
nth term of a sequence is a + nb. Find a4 - a3.
a
b
a + b
2b
Find a30 - a20 for the A.P. -9, -14, -19, -24, . . . . .
-50
25
-25