If a + 1, 2a + 1, 4a - 1 are in Arithmetic Progression then the value of ‘a‘ is:

1. If a + 1, 2a + 1, 4a - 1 are in Arithmetic Progression then the value of ‘a‘ is:

[Officer (Cash)-2018 [MCQ] : 2018]

1. 1

2. 2

3. 3

4. 4

Answer

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