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there is a race between A, E, F, G. A said "i didnt finish 1st and 4th" E said "i didnt finish 4th" F said "i finished 1st" G said "i finished 4th". If exactly 3 of them are telling truth, then who finished 4th?

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TCS Other Question

how many polynamoial functions of degree >=1 can be formed in such a way that the function satisfies this condition f(x^2) = (f(x))(f(x)) = f(f(x))
a) 2
b) 0
c) 1
d) more than 2
all the below questions were asked in my tcs test yesterday, so i shared them here so that my frens will practice them :)