Direction: Study the following information to answer the given questions:

There are eight persons A, B, C, D, E, F, G and H in a company. Each of them has different ages (in years) among 16, 21, 25, 32, 36, 46, 64 and 94 but not necessarily in same order.

At least two persons are elder than H. C is 4 years elder than A. D’s age is a perfect square number. B is the youngest. H is elder than F, whose age is in even number. G is younger than D but not 46 years old.