Given:
The expression is,
The objective is to find which students answer is correct.
By BODMAS rule, the order of arithmetic expression is Bracket, Order of power, Division, Multiplication, Addition, Subtraction.
So as per the rule of BODMAS, first perform the bracket operation.
Inside the bracket, the first operation to be perfoemed in multiplication.
Now, perform addition inside bracket.
Next operation after bracket is division.
Finally by performing the subtracting operation, the answer will be 5.
Hence, the answer of the student naSahar is correct.