A Woman travelling at 130% of her usual speed reaches her office 12 minutes early. Her usual time to cover the journey is:
Answer & explanation
Correct answer: option 1
Let initial speed = 100x
New speed = 130% of 100x = 130x
Ratio of , Usual New
Speed 10 : 13
Time 13 : 10
According to question ,
13R - 10R = 3R
3R = 12 minutes
1R = 4 minutes
Usual Time = 13R = 13 × 4 = 52 minutes
= \(\frac{52}{60}\) = 0.87 hours