Question

how to improve our IQ

Answer 1

1.Read with confidence
2.what you read note in one book
3.Read G.K books
4.Be contact with puzzles

Answer 2

work on your GK. you get many websites which offers general aptitude tests. the problem many of us face while planning to develop on our own is that we don't get proper sources or study materials to study. IQ all comes down to having more knowledge or being quick at problem solving.
If u are planning to increase your IQ you need to work hard, put a lot of effort, test yourself regularly, have a proper schedule and above all DO NOT GIVE UP.
Intelligence does not develop immediately... it's takes time and effort. People are not born with superior intelligence(excluding exceptions)... it's their hard work and positive attitude that makes them successful.
So stay positive and do your best.
Hope this helped...thank you