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Mathematics
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Class 10
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Arithmetic progression
Arithmetic progression
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1)
What is the difference between the given sequence, 1,4,7,10,13......
2
3
4
5
2)
30th term of the AP: 10, 7, 4,..., is....
98
-77
77
87
3)
In an AP, if d = -4, n=7, an =4, then a is
7
6
20
28
4)
How many terms of an AP must be taken for their sum to be equal to 120 if its third term is 9 and the difference between the seventh and second term is 20 ?
6
7
8
9
5)
In an AP, if a = 3.5, n=101, d=0, then an will be
0
103.5
104.5
3.5
6)
Which term of the AP: 21, 42, 63…………………….is 210?
9
10
11
12
7)
The 4th term from the end of the AP: -11,-8, -5……………49 is
40
37
34
43