4 Mike had 11 cigars. He bought 2 more and then smoked 7. How many cigars did he have left? Answer ( ) 5 A company advanced 8 miles and retreated 2 miles. How far was it then from its first position? Answer ( ) 6 How many hours will it take a truck to go 42 miles at the rate of 3 miles an hour? Answer ( ) 7 How many pencils can you buy for 60 cents at the rate of 2 for 5 cents? Answer ( ) 8 A regiment marched 40 miles in five days. The first day they marched 9 miles, the second day 6 miles, the third 10 miles, the fourth 6 miles. How many miles did they march the last day? Answer ( ) 9 If you buy 2 packages of tobacco at 8 cents each and a pipe for 65 cents, how much change should you get from a two-dollar bill? Answer ( ) 10 If it takes 4 men 3 days to dig a 120–foot drain, how many men are needed to dig it in half a day? Answer ( ) 11 A dealer bought some mules for $2,000. He sold them for $2,400, making $50 on each mule. How many mules were there? Answer ( ) 12 A rectangular bin holds 200 cubic feet of lime. If the bin is 10 feet long and 5 feet wide, how deep is it? Answer ( ) 13 A recruit spent one-eighth of his spare change for post cards and twice as much for a box of letter paper, and then had $1.00 left. How much money did he have at first? Answer ( ) 14 If 3½ tons of clover cost $14, what will 6½ tons cost? Answer ( ) 15 A ship has provisions to last her crew of 700 men 2 months. How long would it last 400 men? Answer ( ) 16 If an aeroplane goes 250 yards in 10 seconds, how many feet does it go in a fifth of a second? Answer ( ) 17 A U-boat makes 8 miles an hour under water and 20 miles on the surface. How long will it take to cross a 100–mile channel, if it has to go two-fifths of the way under water? Answer ( ) 18 If 134 squads of men are to dig 3,618 yards of trench, how many yards must be dug by each squad? Answer ( ) 19 A certain division contains 5,000 artillery, 15,000 infantry, and 1,000 cavalry. If each branch is expanded proportionately until there are in all 23,100 men, how many will be added to the artillery? Answer ( )