Perform the indicated operations:
9+6, (mod 5)
7-11,(mod 12)
4*3,(mod 5)
1 div 2,(mod 5)

Answer and Explanation:

To find : Perform the indicated operations?

Solution :

Modular math is defined as

or

Where, A is the dividend

B is the divisor

Q is the quotient

R is the remainder  

The solution is

Now, We perform same in every case

1)

We can direct add the term,

Now, we divide 15 by 5 and see the remainder

Remainder is 0.

So,  

2)

We can direct subtract the term,

Now, we divide -4 by 12 and see the remainder

Remainder is 8.

So,  

3)

We can direct multiply the term,

Now, we divide 12 by 5 and see the remainder

Remainder is 2.

So,

4)

We can direct divide the term,

Now, we divide 0.5 by 5 and see the remainder

Remainder is 0.5.

So,  

9 x 8 divided by (5-3)=36

it’s the first one your welcome