A girl reduced his speed to 5/8th and reaches her destination in 16 hours . If she had walked at her initial speed then how much time had she saved ?
Answer & explanation
Correct answer: option 4
Ratio old : new
Speed 8 : 5
Time 5 : 8
According to question , 8R = 16 hours
1R = 2 hours
time saved if she walked by his usual speed is ,
3R = 6 hours