GATE CSE 1994 | GATE CSE Year Wise Previous Years Questions

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GATE CSE 1994

MCQ (Single Correct Answer)

-0.6

If A and B are real symmetric matrices of size n x n. Then, which one of the following is true?

$$A{A^t} = I$$

$$A = A - 1$$

AB = BA

$${(AB)^T} = {B^T}{A^T}$$

GATE CSE 1994

MCQ (Single Correct Answer)

-0.6

The number of substrings (of all length inclusive) that can be formed from a character string of length $$n$$ is

$$n$$

$${n^2}$$

$${{n\left( {n - 1} \right)} \over 2}$$

$${{n\left( {n + 1} \right)} \over 2}$$

GATE CSE 1994

MCQ (Single Correct Answer)

-0.6

Some group (G, o) is known to be abelian. Then, which one of the following is true for G?

$$g = {g^{ - 1}}\,$$ for every $$g\, \in \,G$$.

$$g = {g^{ 2}}\,$$ for every $$g\, \in \,G$$.

$${(goh)^2} = \,{g^2}\,o\,\,{h^2}$$ for every g, $$h\, \in \,G$$.

G is of finite order.

GATE CSE 1994

MCQ (Single Correct Answer)

-0.3

Let A and B be any two arbitrary events, then, which one of the following is true?

$$P\,(A\, \cap \,B)\, = \,P\,(A)\,P\,(B)$$

$$P\,(A\, \cup \,B)\, = \,P\,(A)\, + \,P\,(B)$$

$$P\,(A\,\left| {B) = \,} \right.P\,(A\, \cap \,B)\,P\,(B)$$

$$P\,(A\, \cup \,B)\, < \,\,P\,(A)\, + \,P\,(B)$$

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