{20 – [7 – (3 -2)] + 1/3 (4.2)} / 1.4 = ________?

A. 11
B. 12
C. 14
D. 19

Explanation:

{20 – [7 – (3 -2)] + 1/3 (4.2)} / 1.4

=> [20 – (7 – 1) + 1.4] / 1.4
=> (20 – 6 + 1.4)/1.4 = 10 + 1 = 11