An aeroplane flies twice as fast as a train which covers 60 miles in 80 minutes. What distance will the aeroplane cover in 20 minutes? `30\ m i l e s` b. `35\ m i l e s` c. `40\ m i l e s` d. `50\ m i l e s`

What distance will a body cover in 20 s travelling at 50 m/s?

A runs twice as fast as B and B runs thrice as fast as C. The distance covered by C in 72 minutes, will be covered by A in 12 m inu t e s b. 16 m inu t e s c. 18 m inu t e s d. 24 m inu t e s

A is 10 miles west of B. C is 30 miles north of B. D is 20 miles east of C. what is the distance from A to D? a. 10 miles b. 30 m i l e s c. 10 sqrt(10) m i l e s d. 10 sqrt(13) m i l e s e. 30 sqrt(2) m i l e s

A train travel at an average of 50 mile per hour for 2 1/2 hours and then travels to a speed of 70 miles per hour for 1 1/2 hors. How far did the train travel in the entire 4 hours? 120 m i l e s b. 200 m i l e s c. 10 m i l e s d. 230 m i l e s

A plane flying north at 500 mph passes over a city at 12 noon. a plane flying east at the sae altitude passes over the same city at 12:30 P.M. The plane is flying east at 400 mph. To the nearest hundred miles, how far apart the two planes at 2 P.M.? 600 m i l e s b. 1000 m i l e s c. 1100 m i l e s d. 1200 m i l e s e. 1300 m i l e s

If a runner takes as much time in running 20 metres as the car takes in covering 50 metres. The distance covered by the runner during the time the car covers 1 km is 400 m e t r e s b. 40 m e t r e s c. 440 m e t r e s d. none of these

In a bucket is 80% full, then it contains 2 litres more water than I is 66 2/3% full. What is the capacity of the bucket? 10 l i t r e s b. 15 l i t r e s c. 16 2/3l i t r e s d. 20 l i t r e s

A train covers a distances of 10 km in 12 minutes. If its speed is decreased by 5 km/hr, the time taken 10 m in b. 11min20 s e c c. 13 m in d. 13min20 s e c

A space research company wants to sell its two products A and B. If the product A is sold at 20% loss and the product B at 30% gain, the company will not lose anything. If the product A is sold at 15% loss and the product B at 15% gain, the company will lose Rs. 6 million in the deal. What is the cost of product B? a. R s .80 m i l l ion b. R s .100 m i l l ion c. R s .120 m i l l ion d. R sdot 140 m i l l ion