This is presented in the form of an if,then question...but if you'll notice, there's no "if" stated. Simplest, most obvious "answer" is 60. Take the true arithmetical result on each line and double it: 60. Multiply each digit in the first column by 7 before doing the addition: 60 ...48 doesn't work because there's a missing statement in the progression, 4+20=48; again, the most obvious answer is again 60 because it's 12 more than 48. I still maintain that the question is made to look like one you might find on an IQ test, but only if you infer the missing "if" - in fact, there are other more obscure "answers" (a case could be made for 50 or 510, for example) that can be reached by torturing the numbers, but without the "if" there is no reason to treat this as an if,then question. As it is presented, the only correct way to respond is to ignore the incorrect math in the first three equations...the answer to 5+25=? is 30. It can be nothing else.