Question

Please solve these questions:
1) If 25, 35, and x are in continued proportion, find the value of x.
2) Find the mean proportional between 3 and 27
3) a battalion of 600 soldiers had food provisions for 24 days. a fresh batch of 300 soldiers joined them. how many days will the food last now?
4) a gas cylinder lasts for 30 days in a family of 4 members. 6 guests join the family. how many days will the food last now?
5) if 36 men can finish constructing a boundary wall in 25 days? how much days will 15 men take to complete construction.

Answer 1

I don't know
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