Selected MCQ

Current Question
A cyclist rides 3 km north and then 4 km west. What is the shortest distance from the starting point?
  • A. 5 km
  • B. 6 km
  • C. 7 km
  • D. 8 km
Correct Answer: A
Explanation:
By the 3-4-5 triangle, the shortest distance is 5 km.
Related Question 1
A man walks 8 km south and then 6 km east. What is the shortest distance from his starting point?
  • A. 10 km
  • B. 12 km
  • C. 14 km
  • D. 8 km
Correct Answer: A
Explanation:
The distance is found using the 6-8-10 right triangle.
Related Question 2
A man walks 6 km west and then 8 km north. How far is he from the starting point?
  • A. 10 km
  • B. 12 km
  • C. 14 km
  • D. 8 km
Correct Answer: A
Explanation:
By the 6-8-10 right triangle, the shortest distance is 10 km.
Related Question 3
A person walks 7 km north, turns right and walks 7 km, then turns right and walks 7 km. Where is the person from the starting point?
  • A. 7 km north
  • B. 7 km east
  • C. 7 km west
  • D. At the starting point
Correct Answer: B
Explanation:
The north and south movements cancel, leaving the person 7 km east.
Related Question 4
A person facing north turns right, walks 2 m, turns left, walks 3 m, then turns left and walks 2 m. Where is the person from the starting point?
  • A. 3 m north
  • B. 3 m south
  • C. 2 m east
  • D. 2 m west
Correct Answer: A
Explanation:
East and west movements cancel, leaving the person 3 m north.
Related Question 5
A man walks 5 km east, then 5 km south, then 5 km west. Where is he from the starting point?
  • A. 5 km north
  • B. 5 km south
  • C. 10 km south
  • D. At the starting point
Correct Answer: B
Explanation:
East and west cancel out, leaving him 5 km south.