RRB RPF RPSF SI and CONS Model Papers 1 with solutions

Question : 32 of 120

Marks: +1, -0

In a fort, there was sufficient food for 200 soldiers for 31 days. After 27 days, 120 soldiers left the fort. For how many extra days will be rest of the food last for the remaining soldiers?

10 days
6 days
4 days
12 days

Validate

Solution:

(b) Ratio of new number of persons in fort : original number of persons in fort = 80 : 200 = 2 : 5
Hence the food will last for 5/2 days of the original (4 days = 31 days – 27 days)

= { 5 }/ { 2 } × 4 = 10

days
So, extra days = 6 days

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