The weights of 4 boxes are 90, 40,80 and 50 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combinations a box can be used only once?

Options

A. 200
B. 260
C. 180
D. 170

Answer

A

Explanation

Possible weights of boxes :
(i) 90+40=130 Kilograms
(ii) 90+80=170 Kilograms
(iii) 90+50=140 Kilograms
(iv) 40+80=120 Kilograms
(v) 40+50=90 Kilograms
(vi) 80+50=130 Kilograms
(vii) 90+40+80=210 Kilograms
(viii) 90+40+50=180 Kilograms
(ix) 40+80+50=170 Kilograms
(x) 80+50+90=220 Kilograms
(xi) 90+40+80+50=260 Kilograms