JEE Math Practice Question
Let a1, a2, ..., an be a given A.P. whose common difference is an integer and Sn = a1 + a2 + .... + an. If a1 = 1, an = 300 and 15 $$ \le $$ n $$ \le $$ 50, then the ordered pair (Sn-4, an–4) is equal to:
- A.(2480, 249)
- B.(2480, 248)
- C.(2490, 248)
- D.(2490, 249)
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