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CA Foundation · Quantitative Aptitude · Direction Tests

Deepa walks 7 m north, then 24 m east. Another person, Isha, starts from the same point and walks directly to Deepa's final position in a straight line. How much shorter is Isha's walk than Deepa's walk?

Isha's walk is 6 m shorter. Deepa walks 7 plus 24, which is 31 m, while the straight-line distance to her final position is the square root of 49 plus 576, which is 25 m. The difference is 31 minus 25, which equals 6 m.

  1. A6 mCorrect
  2. B7 m
  3. C5 m
  4. D31 m

Explanation

Deepa walks 7 + 24 = 31 m. Isha walks the straight-line distance sqrt(7^2 + 24^2) = sqrt(625) = 25 m. The difference is 31 - 25 = 6 m. Option 31 m is Deepa's path, not the difference.

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