You have been given a physical balance and 7 weights of 40, 42, 36, 33, 47, 52 and 67 kgs. Keeping weights on one pan and object on the other, what is the maximum you can weigh less than 169 kgs.  Choose the correct choice
A) 163  B) 166  C) 162  D) 164  E) 165

Rationale: "67 + 52 + 47 = 166 answer : e"
Answer: E