Which of the following options is correct ?

Explanation

Option (1)
`5-2+12xx6-:2=27`
`implies5+2xx12-:6-2=27`
`implies5+2xx2-2=27`
`implies5+4-2ne27`
Option (2)
`5+2-12-:6xx2=13`
`implies5xx2+12-6-:2=13`
`implies10+12-3=13`
`implies19ne13`
Option (3)
`5+2-12xx6-:2=10`
`implies5xx2+12-:6-2=10`
`implies10+2-2=10`
Option (4)
`5-:2+12xx6-2=3`
`implies5-2xx12-:6+2=3`
`implies5-2xx2+2=3`
`implies5-4+2=3`
Options (1) and (2) are wrong.