A man walks 4 km north, then 3 km east. His straight-line distance from the starting point is
A5 km
B6 km
C7 km
D8 km
Answer & Solution
Correct answer: A. 5 km
Apply Pythagoras: √(4² + 3²) = √(16 + 9) = √25 = 5 km. The classic 3-4-5 right triangle.
Related questions
A trader sold an article for Rs 480 at a loss of 20%. The cost price wasIf the side of a square is doubled, its area becomesPick the option that completes the analogy: Lawyer is to Court as Surgeon is to ____If 'all flowers fade' is TRUE, which of the following MUST also be true?All artists are creative. Some creative people are scientists. Therefore,Identify the correctly punctuated sentence.Choose the BEST synonym of 'reluctant' in: 'He was reluctant to leave the warm fire.'Identify the part of speech of 'absorbing' in: 'The book was so absorbing'.