A 1.7
B 1.5
C 1.4
D 2.5
Correct Answer: Option D
[3.75{7.8-2.3-(12.75-9.25)}]-5 = [3.75{7.8-2.3-3.5}]-5 =[3.75 x2.0]-5
=7.5-5 = 2.5
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