If the numbers n – 2, 4n – 1 and 5n + 2 are in AP, then the value of n is
  • 2
  • 1
  • -1
  • 0
Which of the following statement is incorrect
  • The nth term of an AP cannot be $n^2 + 1$
  • 1 + 2 + 3 + 4 + …. 10 = 55
  • -3, -2, -1, 0,….. is in A.P
  • None of the above
The nth term of the A.P 4, 10, 16, 22, . . . is
  • 6n -1
  • 6n -2
  • 6n -3
  • 6n -4
. In an AP if a = –7.2, d = 3.6, a­n  = 7.2, then n is
  • 1
  • 2
  • 3
  • 5
For what value of the k will k +9 ,2k -1  and 2k + 7 are the consecutive terms in A.P
  • 10
  • 19
  • 18
  • 20
In an AP, if  $S_5 + S_7= 167$ and $S_{10} = 235$, then find $S_4$, where $S_n$ denotes the sum of its first n terms
  • 30
  • 39
  • 34
  • 15
The 13th term of an AP is four times its 3rd term. If its fifth term is 16, then find the sum of its first 6 terms.
  • 69
  • 175
  • 105
  • 100
How many two digits number are divisible by 3?
  • 30
  • 33
  • 32
  • 31
The list of numbers 11, 22, 33,...
  • an AP with d = -11
  • an AP with d = 11
  • an AP with d = 2
  • not an AP
The 4th term from the end of the AP: –11, –8, –5, ..., 49 is
  • 37
  • 56
  • 43
  • 40
The sum of the first 20 positive integers divisible by 7 is
  • 1470
  • 1548
  • 1547
  • 1453
In an AP if a = –7.2, d = 3.6, $a_n= 7.2$, then n is
  • 1
  • 3
  • 5
  • 4
Find p, q  such that 11,p,q,-10 are in A.P
  • 3,-4
  • 4, -3
  • 6, 0
  • -3, 4
If the common difference of an AP is 4, then what is $a_{21} - a_{13} $?
  • 24
  • 16
  • 28
  • 32
Find the sum of 21 terms of A.P whose first term is -1.25 and the common difference is .25
  • 38.750
  • 40.25
  • 38.25
  • 39.375
Find the sum of the 10 terms of the A.P whose nth term is 3 + 2n
  • 140
  • 145
  • 156
  • 160
The sum of the 10 terms of an A.P if its third term is 8 and 11th term is 20
  • 119.5
  • 118
  • 112
  • 117.5
Two APs have the same common difference. The first term of one of these is -2 and that of the other is –Then the difference between their 28th terms is
  • -9
  • 9
  • -13
  • -17
Which term of the AP 111, 107, 103,99.... is the first negative term?
  • 29
  • 28
  • 30
  • 27
The 5th term from the end of the AP: –11, –8, –5, ..., 55 is
  • 43
  • 46
  • 49
  • 44
0 h : 0 m : 1 s

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