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प्रश्न
Which of the following sequence form an A.P.?
पर्याय
3, 6, 9, 15, ......
1, 8, 15, 22, 30, ....
2, 5, 9, 14, 20, ....
11, 22, 33, 44, 55, ....
MCQ
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उत्तर
11, 22, 33, 44, 55, ....
Explanation:
In the sequence: 11, 22, 33, 44, 55, .....
a2 – a1 = 22 – 11 = 11
a3 – a2 = 33 – 22 = 11
a4 – a3 = 44 – 33 = 11
a5 – a4 = 55 – 44 = 11
That is, the common difference is the same.
As a result, the sequence is an A.P
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