Wipro Company Numerical Ability Probability

A drawer holds 4 red hats. what is the probability of getting exactly 3 red or exactly 3 blue hats when taking out 4 hats randomly out of the drawer and immediately returning every hat to the drawer before taking out the next?
option: 1)1/4 2)3/8 3)1/2 4)1/8

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Wipro Other Question

where can i find wipro previous year question papers 3) Two trains travel in the same direction with 56kmph speed. The fast train crosses a person standing, in 78.9sec. Find the length of the fast train.