Question

Sarita driving her car at 30 kmph reaches her office 8 minutes late. Had she driven 25% faster on an average she would have reached 8
minutes earlier than the scheduled time. How far is her office?

Answer 1

his office is 31km long

Step-by-step explanation:

30+25%

Answer 2

Answer: 60 km

Step-by-step explanation:

When the distance is the speed is inversely proportional to time

The initial speed of the teacher is 30 km/hr

Final speed = (30x 200)/100

60 km/hr

The ratio of speed = 30:60

<⇒1:2

Time ratio = 2:1

According to question

Time gap = 8 minute

1 unit = 8 minutes

8 unit= 64 minute

Distance 64 x  15/16

60 km

Her school distance is 60 km

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