If ' -' means 'x', 'x' means '+', '+' means '÷' and '÷' means '-', then what will be the value of
40 x 12 + 3 - 6 ÷ 60 =?
4
7
16
44
A.
4
? = 40 x12 + 3 - 6÷60
On changign the signs,
? = 40 + 12 ÷ 3 x 6 - 60
? = 40 + 4 x 6-60
? = 40 + 24 - 60
? = 64-60 = 4
? = 4