Question

A stock of food grains is enough for 400 persons for 9 days how long will the same stock last for persons​

Answer 1

Answer:

12 days

Step-by-step explanation:

A stock of food grains is enough for 400 persons for days = 9

A stock of food grains is enough for 1 person for days =  9x400

A stock of food  grains is enough for 400 persons for days =      9x400

                                                                                                       -----------

A stock of food grains is enough for 300 persons for days =  12

Hence the same stock last for 12 days for 300 persons