Related Questions

Luke drives the first 300 miles of a trip at 60 miles an hour. How fast does he have to drive, in miles per hour, on the final 200 miles of the trip if the total time of the trip is to equal 7 hours? .
A 100
B 110
C 115
D 120
On a trip of 200 miles, a man travels at the rate of 40 miles per hour for the first 100 miles. For the rest of the trip, he travels at the rate of 55 miles per hour . What is his average speed, in miles per hour, for the total trip ?
A 400/9
B 200/9
C 90
D 50
Each of the following problem has a question and two statements which are labeled 1. and. Use the data given in 1. and 2. to decide whether the statements are sufficient to answer the question.Select one of the following . a.Statements (1) ALONE is sufficient,but (2) ALONE is not sufficient. b.Statements (2) ALONE is sufficient,but (1) ALONE is not sufficient. c. Both statement TOGETHER are sufficient but statement alone is sufficient .Car X traveled from city A to city B in 30 minutes.What was the average speed of car X? (1) Half the distance of the trip was covered at 50 miles per hour, and the other half of the distance was covered at 60 miles per hour.(2) Car X traveled 30 miles during the trip.
A A
B B
C C
D D
In Railway applications ______ circuit breaker is used.
A SFe
B bulk oil
C minimum oil
D air break
A motorist must complete 180-mile trip is 4 hours. If he averages 50 miles an hour for the first three hours of the trip , how fast must ( in terms of mile per hour ) he travel in the last hour ?
A 30
B 32
C 40
D None of these
The taxicab charges TK. 4.60 for the first 0.2 mile of a trip and TK. 1.20 for each of 0.2 of a mile or a part thereof . If the trip is 2.5 miles one way and the waiting charge is TK. 7.50 for 30 minutes or part thereof . What will be the fare for a roun
A 50
B 55
C 60
D 6.50
A truck driver must complete a 180-mile trip in 4 hours. If he average 50 miles an hour for the first three hours of his trip, how fast must he travel in the final hour?
A 30 mph
B 45 mph
C 35 mph
D 40 mph
Taxi fare is charged at TK. 15 per mile plus TK. 150 for a trip. If the total fare by taxi is TK. 600, then what is the distance covered in miles by the trip ?
A 30
B 32
C 20
D 25
A truck driver must complete a 180 mile trip in 4 hours. If he drives average 50 miles an hour hour for the first three hours of his trip, how fast must he travel in the final hour?
A 30 mph
B 35 mph
C 40 mph
D 45 mph
In a certain school , 40% of the students are boys . If 20% of the boys and 10% of the girls went on a field trip, what percentage of the total students went to the field trip?
A 12%
B 14%
C 15%
D 30%

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