Multiple choice

Raman drove from home to a neighbouring town at speed of 50 km/hr. and on his retruning journey, he drove at the speed of 45 km/hr. and also took an hour longer to reach home. What distance did he cover each way?

  1. 450 kms.

  2. 225 kms.

  3. 900 kms.

  4. 500 kms.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Let distance = d km. Going time = d/50 hours. Returning time = d/45 hours. Given return takes 1 hour longer: d/45 - d/50 = 1. Finding common denominator (2250): d(50-45)/2250 = 1, so 5d/2250 = 1, giving 5d = 2250, thus d = 450 km. Verification: 450/50 = 9 hours, 450/45 = 10 hours, difference = 1 hour.

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