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10 questions
The first term and the common difference of the A.P. given by :
−1⋅1, −3⋅1, −5⋅1, −7⋅1...... are−1⋅1 and 2
1⋅1 and 2
−1⋅1 and −2
1⋅1 and −2
The A.P. with first term = ─ 1 and common difference =
21 is :−1, 2−1, 0, 21,1,……….
−1, −23, −2, −25, −3, .....
−1, 23, 2, 25, 3, ....
−1,−21, −41, −81, −161, ......
The 12th term of the A.P. 9, 13, 17, 21, 25, ……… is :
52
53
54
57
If the first term of an A.P. is ─ 7 and the common difference is 5, its 18th term is :
83
79
78
77
Which term of the A.P. ─ 1, 3, 7, 11, ........ is 95 ?
20
22
24
25
The number of terms in the A.P. 3, 6, 9, 12, …….., 111 is :
36
37
38
39
The sum of the first 20 terms of the A.P. 1, 4, 7, 10, ……….. is :
590
59
580
1180
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
The 10th term from the end of the A.P. 4, 9, 14, 19, ……….., 254 is :
204
209
49
299
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
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