Aptitude - Time and Distance - Discussion

Discussion Forum : Time and Distance - General Questions (Q.No. 1)
1.
A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?
3.6
7.2
8.4
10
Answer: Option
Explanation:

Speed = 600 m/sec.
5 x 60

   = 2 m/sec.

Converting m/sec to km/hr (see important formulas section)

   = 2 x 18 km/hr
5

   = 7.2 km/hr.

Discussion:
209 comments Page 10 of 21.

Mohite Kallappa said:   9 years ago
All values is used in above example.
S = d/t, ( 600/5 * 60) m/sec.

Then convert m/ sec into km/hr.

Suppoes,
km/hr = s.
1000/3600 = 2.
5/18 = 2.
= 2 * 18/5.
= 7.2 km/hr.

Rezuan said:   9 years ago
Distance = 600 m.
Time = 5 min = (5 * 60)s = 300 s.
Speed = ?
Speed = Distance/Time = 600m/300s = 2 m/s.

According to question we need to convert it m/s to km/hr.
m/sec=18/5 km/hr.

So, Speed = (2 * 18/5) km/hr.
Speed = 7.2 km/hr.

Samyuktha said:   9 years ago
Please make me understand this whole sum properly by anyone.

Jayalakshmi said:   9 years ago
Formula: speed = distance/time.

In question, given distance is in meter so convert the km and time given the minute so convert hours.

Sarah said:   9 years ago
Hi @Sundar.

Your explanation was really clear now I understand how this works thank you so much.

Shraddha said:   9 years ago
Hi @Sundar.

Your explanation is very nice. Can you tell me basic math's tricks like Percentage. How to calculate it is?

Khushi said:   9 years ago
@ Sundar.

Thank you so much, your explanation really helped me to pass my maths exam!

Amy said:   8 years ago
Here, the formula is either:

Sspeed= distance divided by time.
Time = distance divided by speed.
or
Distance = speed x time.

Sanskriti said:   8 years ago
The formula of converting into m/s an km/hr is;
m/s: XYZ multiplied by 18 by 5.

And

km/hr: XYZ multiplied by 5 by 18.

Arun Chauhan said:   8 years ago
@Sanskriti.

Please give me a suitable example to proved that?


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