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प्रश्न
The nth term of an Arithmetic Progression (A.P.) is 2n + 5. The 10th term is ______.
विकल्प
7
15
25
45
उत्तर
The nth term of an Arithmetic Progression (A.P.) is 2n + 5. The 10th term is 25.
Explanation:
nth term of A.P. = 2n + 5
Put n = 10
∴ 10th term of A.P. = 2 × 10 + 5
= 20 + 5
= 25
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