If we interchange '+' with 'div' and '-' with `'xx'` in each of the following options, then which of the following options becomes correct?

Options

A. `4-2 + 12 + 6 xx 2= 7`
B. `4-6 +3 +5 xx 7= 8`
C. `4 div 3 +3 -5 xx 6=3`
D. `6+3 +4- 7 xx 2 = 2`

Answer

C

Explanation

On interchanging the signs, we get
A. `4 xx 2+ 12 div 6-2 = 8+2- 2= 8 ne 7`
B. `4 xx 6 div 3 +5- 7= 4 xx 2 +5- 7`
`=8 +5- 7=6 ne 8` (incorrect)
C. `4+3 div 3 xx 5- 6`
`=4 +1 xx 5-6 = 4+5-6= 3` (Correct)
D. `6 div 3 +4 xx 7-2`
`=2 + 28 -2= 28 ne 2` (incorrect)