2 / 5 of 3 / 7 of 23 / 11 of ? = 64 × 3
"explanation : 2 / 5 & time ; 3 / 7 & time ; 20 / 11 & time ; x = 192 x = 192 & time ; 11 & time ; 7 & time ; 5 / 2 & time ; 3 & time ; 20 = 616 answer : option c"
multiply(multiply(multiply(divide(2, 5), divide(3, 7)), divide(7, 11)), 64)