25+16+12+42+20=115
25 + 16 - 13 - 21 = 7
307 i think
149
25 plus 21 plus 19 is equal to 65.
E 13 the order is :7 ,12 ,14 ,16 ,21 ,24 ,25 ,27 .
25 + 21 = 46
21 + 39 + 45 + 25 = 130
Instead of -25 plus - 16, think of it as -25 - 16. 25 mins 16 equals -41.
25 + 16 + 19 = 60
25 + 15 + 21 + 10 + 11 = 82
The numbers are increasing in line with the 3 times (multiplication) table.6-7 is plus 1.7-10 is plus 3.10-16 is plus 6.16-25 is plus 9.Next in the 3 times table is 12. So, the next number will be 25 + 12.The answer is 37.