If 'A' means '±', 'B' means '−', 'C' means '×' and 'D' means '+', then 48 A 16 D 12 B 7 C 1 = ?
Show answer & explanation
Correct answer: C
Explanation
A = ÷
B = −
C = ×
D = +
48 A 16 D 12 B 7 C 1
Switching the symbols:
48÷16+12−7×1=?
3+12−7×1=?
3+12−7=?
? = 8