Find the next number in the pattern. 0.5 2.5 12.5 62.5

The answer is:  " 312.5 " . 

Note:  In the pattern given, each number is multipled by "5" to get to the number consecutive number.

The pattern given is:

  " 0.5, 2.5, 12.5, 62.5, , "  ;

Note:  The first number in the pattern given is:  "0.5" .

"0.5 * 5 = 2.5" ; and "2.5" is the second number in the pattern.

"2.5 * 5 = 12.5" ; and "12.5" is the third number in the pattern.

"12.5 * 5 = 62.5" ; and "62.5" is the fourth number (and final number SHOWN in                                                                                       the pattern).

To find the next number, we multiply "62.5" by "5" ;  to get:  "312.5" .

The answer would be option 4