A) 280 days
B) 260 days
C) 290 days
D) 252 days
Correct Answer: B
Solution :
\[{{M}_{1}}=120,\] \[{{D}_{1}}=200-5=195\] \[{{M}_{2}}=120-30=90,\,\,{{D}_{2}}=?\] Using \[{{M}_{1}}{{D}_{1}}={{M}_{2}}{{D}_{2}}\] \[120\times 195=90\times {{D}_{2}}\] \[\Rightarrow \,\,\,\,\,\,\,\,\,\frac{120\times 195}{90}={{D}_{2}}\] \[\therefore \] \[{{D}_{2}}=260\] Thus, the food will last for 260 days.
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