TCS Company HR Interview Interview

why your marks reduced gradually ???? what is reason for it

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TCS Other Question

In this question, A^B means A raised to the power B.Let f(x)=1+X+X^2+...X^6.The remainder when f(X^7) is divided by f(X) is:
a)None of the other choices b)6 c)0 d)7
there are 52 cards in a pack one card is missing . Two of the cards are selected at random. Find the probability that missing card is a spade