$($a$).$ State the truth value of the below given propositions:

$3$

$\backslash$table$[[\backslash$table$[[($i$)$ The Earth orbits the Sun and water boils$],[$at $98$ degrees Celsius at sea level.$]],($ii$)$ There are $30$ days in February.$],[\backslash$table$[[($iii$)$ Water boils at $100$ degrees Celsius at sea$],[$level$.]],\backslash$table$[[($iv$)$ Either the Earth orbits the Sun or the$],[$capital of Bangladesh is Dhaka.$]]],[\backslash$table$[[($v$)$ The sum of the interior angles of a$],[$triangle is $180$ degrees.$]],\backslash$table$[[($vi$)$ The sun orbits the earth if and only if$],[$water boils at $98$ degrees Celsius at sea$],[$level$.]]]]$

$($b$).$ Using truth table check whether the statement not$(pvvq)vv(not{p}^{{?}^{?}}q)$ and notp are logically $3$ equivalent.

$($c$).$ Construct truth tables for:

$($i$)$ notpvvnotq

$($ii$)qvv(notpvvq)$