I know not much about Quantum mechanics but I know some basics in Quantum mechanics.
when a tossed coin is in air we cannot say what state it is in currently until we catch it (or 'measure it' in quantum terms).
so can we take it as the coin is at both states at same time?
What i am asking is that is Quantum superposition real or is quantum superposition is same (and simple) as tossing a coin (since we measure in probabilities).
It is not quite like that. A better classical analogy might be a plucked guitar string. The string can vibrate in a number of 'normal modes' of vibration, each of which has a pure frequency, but when you pluck a string it tends to vibrate in a mixture of the modes with no single frequency. It is not that you don't yet know what the frequency is (as is the case with your spinning coin when you don't know how it will land), but that there is no single frequency- it is vibrating in a genuine mix of its normal modes.
