a) 39
b) 49
c) 66
d) 77
Answer: b
Explanation: Let the numbers be 7x and 11x.
$$\eqalign{
& \frac{{ {7x + 7} }}{{ {11x + 7} }} = \frac{2}{3} \cr
& \,22x + 14 = 21x + 21 \cr
& \,x = 7 \cr
& {\text{Smaller}}\,{\text{number}} = 49 \cr} $$
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