Which is the number that comes next in the sequence : 0, 6, 24, 60, 120, 210 ? (1) 240 (2) 290 (3) 336 (4) 504
Sol. Clearly, the given series is 13 – 1, 23 – 2, 33 – 3, 43 – 4, 53 – 5, 63 – 6. Next number = 73 – 7 = 343 – 7 = 336