An object is placed on the axis of a concave mirror at

Find the wrong number in the given number series.

12, 25, 39, 54, 72, 87

128     384     48     144     20      54

24, 24, 36, 72, 176, 540

Find the wrong number in the given number series.

119, 200, 300, 417, 565

256     768     96     288     35      108

120, 146, 198, 276, 372, 510

2, 4, 12, 20, 30, 42

Find the wrong number in the given number series.

3, 6, 24, 120, 720, 5040

Find the wrong number in the given number series.

 31, 25.5, 36.5, 90, 353, 2838