3/4 is given 0 in my case

Answer 1

It is because 4 fits 0 times in 3. Next time post your code.

you should use float variables to get float answer: 3.0 / 4.0

Answer 2

int / int gives an integer output not a float

Answer 3

Everyone saying it's normal: you are using Python2, trying using Python3 instead

Answer 4

It is because of the two value type are integer