Question

20 ÷ 5 - 1 = ? i) 5 ii) 3

Answer 1

The answer is ii) 3
Because we'll follow the "BODMAS" rule that states that we will first have to divide and then subtract.
So, first 20÷5 which is equal to 4 
And then 4-1=3

Answer 2

first 20÷5 =4 
And then 4-1=3.........