Question

Rahul travels 10 km to the North. He turns to the right and walks 5 km. Then again, he turns to the right and moves 10 km forward. How many km away from the starting point is he?
(a) 26 km
(b) 19 km
(c) 13 km
(d) 5 km

Answer 1

Hint: We start solving the problem by drawing all the given information assuming the starting point following the directions. We then check the figure and necessary connections while drawing the figure between the starting and ending points. We then make necessary calculations to find the distance between the starting and end point.

Complete step by step answer:
According to the problem, we are given that Rahul travels 10 km to the North and turns to the right and walks 5 km. Then again, he turns to the right and moves 10 km forward. We need to find the distance that he is away from the starting point.
Let us draw the given information by assuming ‘A’ as the starting point.

From this we can see that if we connect the end point and starting point. We get a rectangle ABCD of length 10 km and breadth 5 km. So, the distance between the points A and D is equal to the distance between the points B and C.
So, we have found that Rahul is 5 km away from the starting point.
The correct option for the given problem is (d).

Note:
Whenever we get this type of problem, we need to start by drawing the figure representing all the given information as it is the key to our solution. We need to consider the right side as the right of Rahul from the point he is standing. We can also find the direction at which the starting point is from the end point. Similarly, we can expect problems to find the distance and direction of the end point from the starting point by giving two or more distances.