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  • Quantitative Aptitude
  • X took 2 hours more than Y to cover 30 km. If X doubles h...
Multiple choice

X took 2 hours more than Y to cover 30 km. If X doubles his speed, then he would take 1 hour less than Y. X's speed is

  1. 15 kmph

  2. 5 kmph

  3. 6 kmph

  4. 103 kmph

  5. 7.5 kmph

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

If X has speed s, then 30/s - 30/2s = 3.  6s = 30 Or s = 5 kmph

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