CRE 1 - Basics | LR - Directions
Answer the next 4 questions based on the information given below:
Bhanu travels 6 km towards the west from his office, then travels 8 km towards the north, followed by 3 km towards the west and finally 4 km towards the north.
What is the horizontal distance (in km) travelled by him?
- (a)
9
- (b)
10
- (c)
12
- (d)
15
- (e)
None of these
Answer: Option A
Explanation :
The path travelled by Bhanu is as shown below.
∴ Horizontal distance = 6 + 3 = 9 km
Hence, option (a).
Workspace:
What is the vertial distance (in km) travelled by him?
- (a)
9
- (b)
10
- (c)
12
- (d)
15
- (e)
None of these
Answer: Option C
Explanation :
Consider the solution for the first question of this set.
∴ Vertical distance = 8 + 4 = 12 km
Hence, option (c).
Workspace:
What is the distance (in km) between his starting point and end point?
- (a)
9
- (b)
10
- (c)
12
- (d)
15
- (e)
None of these
Answer: Option D
Explanation :
Consider the solution for the first question of this set.
∴ Effective horizontal distance travelled = 6 + 3 = 9 km
∴ Effective vertical distance travelled = 8 + 4 = 12 km
∴ Distance between starting and end point =
Hence, option (d).
Workspace:
In which direction is end point w.r.t. starting point?
- (a)
West
- (b)
South-east
- (c)
North
- (d)
North-west
- (e)
None of these
Answer: Option D
Explanation :
Consider the solution for the first question of this set.
End point is towards north-west of the starting point.
Hence, option (d).
Workspace:
C is to the west of E who is to the south of D. A is to the north of B who is to the west of D. In which direction is E with respect to A?
- (a)
West
- (b)
South-east
- (c)
North
- (d)
North-west
- (e)
None of these
Answer: Option B
Explanation :
The position of the points is as shown below:
Thus, E is to the south-east of A.
Hence, option (b).
Workspace:
Answer the next 3 questions based on the information given below:
A is 12 kms to the west of B. C is 8 kms to the north of A. D is 6 kms to the west of C. E is 5 kms to the south of B.
Where is E w.r.t. D?
- (a)
North South-west
- (b)
South-east
- (c)
North-west
- (d)
North-east
Answer: Option B
Explanation :
The position of the various people is as shown below:
Hence, E is to the South-east of D.
Hence, option (b).
Workspace:
How far (in km) is D away from A?
- (a)
19
- (b)
11
- (c)
14
- (d)
12
- (e)
10
Answer: Option E
Explanation :
Consider the solution to the first question of this set.
From the figure: DA2 = 62 + 82 = 36 + 64 = 100
∴ DA = 10 km
Hence, option (e).
Workspace:
How far (in km) is D away from E?
- (a)
√450
- (b)
21
- (c)
√493
- (d)
22
- (e)
24
Answer: Option C
Explanation :
Consider the solution to the first question of this set.
From the figure: DE2 = 182 + 132 = 324 + 169 = 493
∴ DA = √493 km
Hence, option (c).
Workspace:
Answer the next 2 questions based on the information given below:
A person walks towards the north, then moves to the right, then moves towards the north again. Now, the person moves towards the west, then north and finally takes a right turn again. What is the direction of the person w.r.t. the original position?
In which direction is the person facing now?
- (a)
North
- (b)
South
- (c)
East
- (d)
West
Answer: Option C
Explanation :
The path of the person can be as shown below:
∴ The person is finally facing towards east.
Hence, option (c).
Workspace:
Where is the person now w.r.t his starting position. Assume that the person travels an equal distance at each step
- (a)
North
- (b)
North-west
- (c)
North-east
- (d)
None of these
Answer: Option A
Explanation :
Consider the solution to first question of this set.
Distance travelled in east direction is same as distance travelled in west direction.
∴ Effective horizontal distance travelled is 0.
∴ The person is exactly north of the starting point.
Hence, option (a).
Workspace:
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