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11 questions
Which term of the A.P. - 1, 3, 7, 11, ........ is 95 ?
20
22
24
25
If the second term and the seventh term of an A.P. are 2 and 22 respectively, then the sum of first 30 terms of the A.P. is :
1710
1740
3360
1680
If the sum of first 6 terms of an A.P. is 36 and that of the first 16 terms is 256, then the sum of first 10 terms of the A.P. is :
100
200
95
220
The (n – 1)th term of an A.P. is given by 7,12,17, 22,… is
5n+2
5n+3
5n-2
5n-3
The sum of first 'n' terms of an AP is (3n2+ 6n). The common difference of the AP is ______
6
9
15
-3
The sum of first n odd natural numbers is
2n²
2n + 1
2n – 1
n²
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