doubt on solution (Question:380926.0)

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PRATYUSH RAHUL BHAI BHAI

· started a discussion

· 1 Months ago

doubt on solution (Question:380926.0)

plz clearify this question is not understanding for me

Question:

The weights of 4 boxes are 20, 90, 40 and 60 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

Options:

210

170

190

200

Solution:

Total maximum weight of 4 boxes possibility = 20+90+40+60 = 210 kg

$\begin{matrix} (a) 210 \to p o s s i b l e i f a l l 4 w e i g h t s a r e u s e d \\ (b) 170 \to p o s s i b l e i f 40 k g w e i g h t i s n o t u s e d \\ (c) 190 \to p o s s i b l e i f 20 k g w e i g h t i s n o t u s e d \\ (d) 200 \to N o t p o s s i b l e a s w e d o n^{'} t h a v e 10 k g w e i g h t t o r e m o v e f r o m t h e t o t a l w e i g h t \end{matrix}$

So, option ‘d’ is correct.

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doubt on solution (Question:380926.0)

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