Related Questions

when a truck travels at 60 miles per hour, it uses 30 percent more gasoline to travel andy distance than it does when it travels at 50 miles per hour. The truck can travel 20 miles on a gallon of gas if it is travelling at 50 miles per hour. The truck has only 10 gallons of gas and is 160 miles from its destination. It takes 20 minutes for the truck to stop for gas . How long will it take the truck to reach its final destination if it is driven at 60 miles per hour?
A 160 minutes
B 180 minutes
C 190 minutes
D 192 minutes
Two truck 300 km away are travelling towards is other witha constant speed. Truck A is moving at a average speed 70 km/h while truck B is moving at average speed 50 km/h who long does it take them meet.
A 5 hours
B 3 hours
C 2.5 hours
D 6 hours
A certain truck uses 18 gallons of diesel fuel in traveling 270 miles. In order for the truck to travel the same distance using 10 gallons of diesel fuel, by how many miles per gallon must the truck's fuel mileage be increased.
A 12
B 15
C 27
D 9
A certain company that sells only cars and trucks reported that revenues from car sales in 1997 were down 11 percent from 1996 and revenues from truck sales in 1997 were up 7 percent from 1996. If total revenues from car sales and truck sales in 1997 were up 1 percent from 1996, what is the ratio of revenue from car sales in 1996 to revenue from truck sales in 1996?
A 1 : 2
B 4 : 5
C 1 : 1
D 3 : 2
A person has to cover a distance of 6 km in 45 minutes. If he covers one-half of the distance in two-thirds of the total time; to cover the remaining distance in the remaining time , his speed (in km/hr ) must be :
A 6
B 8
C 12
D 15
A truck covers a distance of 550 metres in 1 minute where as a bus covers a distance of 33 kms in 45 minutes. The ratio of their speeds is :
A 3 : 4
B 4 : 3
C 3 : 5
D 50 : 3
Anik travels 35 kilometers (km) partly at 4km /h and partly at 5 km/h. If he covers the distance at 5 km/h he could cover 2 km more in the same time. The time taken to cover the whole distance at original rate is -
A 4hr 30 min
B 5hr 24 min
C 7hr 24 min
D 9 hr 24 min
An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours . To cover the same distance in 123 hours , it must travel at a speed of :
A 300 kmph
B 360 kmph
C 600 kmph
D 720 kmph
A boat takes 4 hours to cover a certain distance running downstream, while it requires 8 hours 48 minutes to cover the same distance .Find the ratio between the speed of the current and the speed of the boat?
A 1 : 2
B 3 : 8
C 2 : 3
D 4 : 3
A dictionary weighs 6 pounds each and a set of encyclopedias weighs 75 pounds. 20 dictionaries are shipped in each box. 2 set of encyclopedias are shipped in each box. A truck is loaded with 98 boxes of encyclopedias and 38 boxes of dictionaries. How much does the truck's load weigh?
A 19,260 pounds
B 7,500 pounds
C 11,750 pounds
D 22,840 pounds

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