Generally IQ stays somewhat static for the duration of a lifetime. Much effort is needed to raise or lower one's IQ.
I would suggest reading many books, memorizing things for a short duration of time, attempt to solve mathematical equations using only your brain, no paper. Also, you could attempt to read poetry and understand its semantics.
I doubt you'll ever reach 180 IQ, no offence or anything. You might raise it by 5-10 points at best, that's what my guess is.
119.99 x 37.93 = ?
Try solving something like that in one try.
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