Question

Which two numbers should be interchanged to make the following equation correct? (28 × 2) −16 × 6 + 8 × 3 + 5 × 7 = 39 (Note: Interchange should be done of the entire number and not individual digits of a given number.)

A 2 and 3
B 6 and 7
C 8 and 7
D 5 and 3
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