How many spoons will be required to make complete sets of 30, 34 and 40?

7 men can complete a plece of work in 12 days. How many additional men will be required to complete double the work in 8 days ?

How many moles of HCl will be required to completely convert 1 moles of borax into borax acid ?

30 persons can do a piece of work in 24 days. How many more people are required to complete the work in 20 days?

If 15 workers can build a wall in 48 hours,how many workers will be required to do the same work in 30 hours?

How many grams of oxygen are required to burn completely 570g of octane?

How many grams of chlorine are required to completely react with 0.40 g of hydrogen (HJ to yield hydrochloric acid (HCl) ? Also calculate the amount of HCl formed.

Twelve men are required to complete a work in 24 days.How many men are required to complete twice the work in 16 days?