What is the value of X in the sequence 2, 12, 36, 80, 150, X?
248
252
258
262
1 x 1 x 2, 2 x 2 x 3, 3 x 3 x 4, 4 x 4 x 5, 5 x 5 x 6, ..... Next number is 6 x 6 x 7 = 252 Hence, option (b) is the correct answer.
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