Pick the odd thing out:
Follow a definite pattern. Observe the same and fill in the blanks with suitable answers.
1, 3, 6, 10, 15, -----, 28
2, 10, 26, 82, ------, 730
BFJ, EIM, HLP, KPS, ------
$$111\frac{1}{9}, 125, 142\frac{6}{7}, ------, 200$$
$$27, 48, -----, 108, 147, 192$$