The sequence of four numbers $a_1, a_2, a_3,$ and $a_4$ is such that each number after the first is $a_1-1$

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by AAPL » Thu Jul 17, 2025 4:37 pm

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The sequence of four numbers $a_1, a_2, a_3,$ and $a_4$ is such that each number after the first is $a_1-1$ greater than preceding number. What is the value of $a_1?$

1. $a_2=15$

2. $a_4=29$

OA D

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Source: Beat The GMAT — Data Sufficiency | Thu Jul 17, 2025 4:37 pm

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