Ans: 4 men
1. 2073 Supp Q.No. 9a In a summer camp, food was available
for 120 children at the rate of 400 gm per day for 36 days.
After 18 days, some children were added and remaining food
finished in 9 days at the rate of 320 gm per day. How many
children were added?
[3]
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