NIELIT STQC 2021 Quiz-29

How many relations on a set with 3 elements are neither reflexive nor irreflexive _________?

Possibility of Ajay clearing an exam or failing in that exam are equal. Find the probability that Ajay will clear this exam at most once in 6 trials.

If 20% of the nuts manufactured in a plant are found to be not acceptable as per QC norms, calculate the probability that out of the 4 nuts selected at random, less than 2 will be defective.

Which of the following does the given Mealy machine represent?

Consider this Context-Free Grammar:

S →aSa | bSb | aSb | bSa | ԑ

The language L generated by grammar is?

Consider the following tuple relational calculus:

{t | Ǝ s ε instructor (t[name] = s[name] ᴧ Ǝ u ε department (u[dept_name] = s[dept_name]

ᴧ u[building] = “Taylor”))}

What does the given expression perform?

The value of j at the end of the execution of the following C program.

int incr (int i)

{

static int count = 0;

count = count + i;

return (count);

}

main ()

{

int i,j;

for (i = 0; i <=4; i++)

j = incr(i);

}