CA Foundation · Quantitative Aptitude · Direction Tests
Meera starts from point P and walks 12 m towards the north, then 5 m towards the east. In which direction is she from point P, and how far is she?
Meera is 13 m from P in the north-east direction. She ends up 12 m north and 5 m east of the start, and the straight-line distance is the hypotenuse, sqrt(144 + 25) = 13 m, not the sum 17 m.
- ANorth-east, 13 mCorrect
- BNorth-east, 17 m
- CSouth-west, 13 m
- DEast, 13 m
Explanation
She is 12 m north and 5 m east of P, so she lies to the north-east of P. Distance = sqrt(12^2 + 5^2) = sqrt(169) = 13 m. The option 17 m simply adds 12 and 5 instead of using Pythagoras.
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