Q$4)$ Consider the following if statement in a program. Suppose this is the last statement and it will be executed. The other statements are not known.

if $($marks $>70)$

print $($pass$)$

Which of the following can be inferred?

a$)$ If the text $$pass$$ is printed on the console, the marks is greater than $70.$

b$)$ If the marks is greater than $70$ then the text $$pass$$ will be printed

c$)$ If the text $$fail$$ is printed on the console, then the marks is less than or equal to $70$

d$)$ If the text $$fail$$ is printed on the console, then the marks is less than $70$

Q$5)$ How many rows are there in a truth table with $3$ propositional variables?

a$)2$

b$)4$

c$)8$

d$)$ Cannot be dettermined

Q$6)$ p $$ q $->$ r is equivalent to $($hint: check precedence$)$

a$)$ p $($q $->$ r$)$

b$)($ p$)($q $->$ r$)$

c$)(($ p$)$ q$)->$ r

d$)($p $$ q $->$ r$)$