Numerical Ability Mcq Question

  1. A worker noticed that the hour hand on the factory clock had moved by 225 degrees during her stay at the factory. For how long did she stay in the factory?
  1. 8.5 hours
  2. 3.75 hours
  3. 4 hours and 15 minutes
  4. 7.5 hours
Correct Option : D

Since, we know that 360° = 12 hours

∴ 10 =
12
hours
360

∴ 225° =
12 × 225
hours
360

= 7.5 hours

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