Thursday, July 19, 2018

Logical 16 - Direction Sense

Practice Questions:

Question 1:
Two cars start from the opposite points of straight part of the National Highway 8, 100 km apart. The first car runs for 20 km. It then takes a detour—takes a right turn goes straight for 15 km. It then turns left, runs for another 25 km and then takes the straight connecting road to reach back on the main road. In the meantime, due to a minor breakdown, the other car has run only 35 km along the main road. What would be the distance between the two cars at this point?
(a) 20 km 
(b) 30 km
(c) 45 km 
(d) 10 km

From the above figure it is clear that Car 1 would move 45 kms along the highway while Car 2 would run 35 kms along the same highway. Naturally, the distance between the two cars at this time would be 20 km. Option (a) is correct.


Question 2:
A messenger was returning to his base station which was in front of him to the north. When his base station was 100 m away from him, he turned to the left and moved 50 m to deliver the last message to the Peshwa’s troops. He then moved in the same direction for 40 m, turned to his right and moved 100m. How many meters away he was now from his base station?
(a) 0 
(b) 150
(c) 90 
(d) 100

Option (c) is correct.


Question 3:
A watch in Huckleberry Finn’s house reads 4·30. If the minute hand points towards the West, in which direction does the hour hand point?
(a) Northeast 
(b) Southwest
(c) Northwest
 (d) North

If minute hand is pointing towards west, there will be a difference of 45 degrees in the minute hand and the hour hand at 4:30. And that difference would be in the anticlockwise direction. So, southwest.
Option (a) is correct.

Question 4:
Raveena walks 10 km south from her house, turns left and walks 25 km, again turns left and walks 40 km, then turns right and walks 5 km to reach her office. In which direction was the office from her house?
(a) Southwest 
(b) Northeast
(c) East 
(d) North

The journey would be as per the figure. Her office would be northeast from her house.
Option (b) is correct.


Question 5:
Hanuman, while looking for the Sanjeevani booty travels 3 km to the west, turns left and goes 3 km, turns right and goes 1 km, again turns right and goes 3 km. How far is he from the starting point?
(a) 7 km
(b) 6 km
(c) 5 km 
(d) 4 km

From the figure it is evident that the distance is 4 kms. Option (d) is correct.


Time to Think:

Usain runs 100 m south from his house, turns left and runs 250 m, again turns left and runs 400m, then turns right and runs 50 m to reach to the stadium. In which direction is the stadium from his house?
(a) Southwest 
(b) Northeast
(c) East 
(d) North

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