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

/ Mathematics Mcqs, Simplification and Approximation / By
{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