medium · GMAT Quant
A data packet sequence generator produces index keys K_n where K_1 = 17 and K_n+1 equiv K_n + 23 pmod80 for all n ≥ 1. System parameters require auditing terms where K_n > 50 and K_n is even.
What is the value of K_243?
- 63
- 6
- 46
- 51
- 23
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