In each of the following questions from the given answer figures, select the one in which the question figure is hidden/embedded.

Find the maximum number of trees which can be planted, 25 meters apart, on the two sides of a straight road 2125 meters long

3 15 35 63 99 ?

9, 21, 67, 273, 1371, ?

If 5 6 4 39 x 585

then, find the value of (x/2+1+2x)?

If 16 15 26 69 260 x,

Find 75% of x+ x

4              7              24           91           462         2763

Select the number from among the given options that can replace the question mark (?) in the following series.

2, 6, 12, 20, ?, ?

640     322      164       86      48      ?

800     544     416     352     ?      304