Related Questions

By walking at 3/4 of his usual speed, a man reaches his office 20 minutes later than usual. His usual time is :
A 30 minutes
B 75 minutes
C 45 minutes
D 60 minutes
The usual value of the helix angle of a drill is
A 20°
B 30°
C 45°
D 60°
Point A is 10 miles West of Point B. Point b is 30 miles North of pint C. Point C is 20 miles East of Point D. What is the distance (in miles) between Point A and Point D?
A 1010
B 1020
C 2010
D 3010
Point A is 10 km west of point B. Point B is 30 km north of point C. Point C is 20 km east of point D. What is the distance between point A and D?
A 1020Km
B 1010Km
C 2010Km
D 3010Km
A person walking 5/6 of his usual rate is 40 minutes late. What is his usual time?
A 2 hours 20 minutes
B 3 hours 20 minutes
C 2 hours
D 4 hours 10 minutes
A train left 1 hour later than the scheduled time but in order to reach its destination 200 km away in time, it had to increase its usual speed by 10 km/hr. What is the usual speed (in km/hr) of the train?
A 38
B 42
C 45
D 40
Travelling at 4/5th of his usual speed, a man is 15 minutes late. What is his usual time to cover the same distance?
A 15 min
B 1 hr
C 75 min
D 45 min
Point A is south of point B and point B is west point C. To which direction is point A with respect to point C ?
A South
B South West
C North east
D North West
Point A is 10 miles west of Point B. Point B is 30 miles North of Point C. Point C is 20 miles East of Point D. what is the distance between points A and D?
A 1010
B 810
C 710
D 910
The point angle of a drill, for drilling stainless steel, is
A 90°
B 118°
C 135°
D 150°

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