TCS Company Logical Reasoning Cryptography

two bowls are taken ,one contain water and another contains tea.one spoon of water is added to second bowl and mixed well and a spoon of mixture is taken from second bowl and added to the first bowl.which statement will hold good for the above?
option
a) second liquid in first bowl is less than the first mixture in second bowl
b) second liquid in first bowl is more than the first mixture in second bowl
c) second liquid in first bowl is equal to the first mixture in second bowl.
d) none of these

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TCS Other Question

a die is rolled and a coin is tossed .find the probability that the die shows an odd number and the coin shows a head.
option
a) 1/4
b) 1/2
c) 3/4
d) 2/3
(753*753+247*247-753*247)/753*753*753+247*247*247=?
option
a) 1/1000
b) 1/506
c) 253/500
d) none of these