Q$3$: Convert $43$ base $10$ integer to its equivalent binary representation.

A$.1001011$

B$.1101001$

C$.101011$

D$.110101$

E$.$ none of them

Q$4$: Convert $98$ base $10$ integer to its equivalent Hexadecimal representation.

A$.62$

B$.26$

C$.,6F$

D$.$ F$6$

E$.42$

Q$5$: perform the following binary arithmetic operation $1101+1010=$

A$.10111$

B$.11010$

C$.11111$

D$.10011$

E$.10110$