In an A.P., if a = 3.5, d = 0, n = 101, then an will be
0
3.5
103.5
104.5
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We know that
an = a + (n - 1)d∴ an = 3.5 + (101 - 1) × 0⇒ an = 3.5 + 100 × 0⇒ an = 3.5
Hence, Option 2 is the correct option.
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In an A.P., if a18 - a14 = 32 then the common difference is
8
-8
-4
4
In an A.P., if d = -4, n = 7, an = 4, then a is
6
7
20
28
Which term of the A.P. 21, 42, 63, 84, … is 210?
9th
10th
11th
12th
If the last term of A.P. 5, 3, 1, -1, …. is -41, then the A.P. consists of
46 terms
25 terms
24 terms
23 terms