24
8 A 3 C 7 B 15 D 3=8+3*7-15/3=24
If + , - , * , / are the notation for subtraction,multiplication,division and addition respectively. Then 17 + 15 - 14 * 12 / 6 = ?
If a/b = 21/34; b/c = 121/120; c/d = 17/77; e/f = 11/15 and d/e = 14/17 then what is the value of (abc/def)*2?