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?
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:
215 comments Page 10 of 22.
Kavitha said:
1 decade ago
Thank you sundar your explanation is realy good.
Sidd said:
1 decade ago
For 600m 5 min. thn for
60min .... km
=> 600/5*60= 2m/sec
convert to km
so for 1 hr 3600sec
and 1000m = 1km
3600*2/1000=7.2km
60min .... km
=> 600/5*60= 2m/sec
convert to km
so for 1 hr 3600sec
and 1000m = 1km
3600*2/1000=7.2km
Avinash said:
1 decade ago
speed=distance/time
so the given distance is 600m and time is 5 mins..for this we have to convert minutes into seconds..5*60=300 seconds.
speed=(600*300)m/sec=2m/sec bt in answer they given in km/hr so we have to change m/sec in km/hr
speed=(2*18/5)km/hr=7.2 km
so the given distance is 600m and time is 5 mins..for this we have to convert minutes into seconds..5*60=300 seconds.
speed=(600*300)m/sec=2m/sec bt in answer they given in km/hr so we have to change m/sec in km/hr
speed=(2*18/5)km/hr=7.2 km
Yahiya said:
1 decade ago
Yeah I understand the gokul explanation.
Abinaya said:
1 decade ago
Thankyou prajweetha. Your explanation is really good.
Supriya said:
1 decade ago
Thank you so much, you people have explained it well.
Vino said:
1 decade ago
And onething before attempting the answers. We should study the formulas. Hence it is given in Important formulas. We must calculate using by mentioned formulas.
Vinoth said:
1 decade ago
A person is running at a speed of 18km/hr After one min a bomb blasts . Sound travels at 330m/s. How long does the man run before he cud he hear the sound??
How to solve this question?
How to solve this question?
Seshu said:
1 decade ago
In above problem clearly given that for 5 minutes travelled distance is 600 mtrs.multiplied with 12 on both sides then we get one hour travelled distance i.e. 12*5mnts is 12*600mts = 7.2 km.
Vijay said:
1 decade ago
Please, dear. Not understand the conversion of the m/sec to km/sec. Please tell me brifely.
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