72 ÷ 8 × [{(57 − 49) ÷ 2} + {(85−60) ÷ 5} − {(28 − 19) ÷ 3}] is equal to:

56 46 54 60

54

Using BODMAS rule 72 ÷ 8 × [{(57 − 49) ÷ 2} + {(85 − 60) ÷ 5} – {(28 − 19) ÷ 3}] = 72 ÷ 8 × [{8 ÷ 2} + {25 ÷ 5} – {9 ÷ 3}] = 72 ÷ 8 × [4 + 5 – 3] = 72 ÷ 8 × [6] = 9 × [6] = 54