$10, 15, 15, 12.5, 9.375, 6.5625, ?$

Find the odd number in the given sequence: $8, 12, 24, 46, 72, 108, 152$.

Find the next number in the series: $0, 6, 24, 60, 120, 210, ?$

$2, 18, 66, 210, 642, \dots$

In the following number series,one of the numbers does not fit into the series. Mark the wrong number in the series.
$35 \quad 118 \quad 280 \quad 600 \quad 1238 \quad 2504 \quad 5036$

Find out the odd number from the given sequence: $5, 6, 16, 57, 246, 1245, 7506$.