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:
195 comments Page 1 of 20.

Araz Muhammad Tareen said:   2 years ago
The easiest way for solving this question is;

Divide distance by time: 600/5 = 120.
Then multiply 120 x 60 = 7200.
Then divide 7200 with 1000 meter = 7.2.
(199)

Raghavendra BS said:   12 months ago
600/5 = 120.
120m per minute.
120 * 60min = 7200m.
1000m = 1 km.
7200/1000 = 7.2km per hour.
(193)

Mayank Garg said:   1 year ago
Time = 5 min.
Distance = 600 meter.

Distance = 600/5 = 120m in one minute.
In hour = 120x60 = 7200m in one hour.
1km = 1000m.
7200m = 7.2m=>answer.
(113)

Mohamed Faisal said:   7 months ago
Given:
Distance = 600 m
Time = 5 minutes.

So, find speed
Formula: speed = Distance/Time.
Apply =>speed = 600m/5 minutes.
=120 meters per minute.

(Answer: 120 meters per minute, So find for 1 hour i.e 1 hour = 60 minutes)
Then,
60 minutes x 120 meters = 7200m.
We know 1000 meters = 1 km.
So,
7000 meters = 7 km.
Extra 200 meters = 0.2
=> 7 km + 0.2 km = 7.2 km.
(100)

R Selva said:   2 years ago
600/5=120m
60*120=7200
7.2km.

Correct me, If I am wrong.
(93)

Asifkhan said:   6 months ago
Ans = Distance ÷ time*second.
= 600 ÷ 5 * 60.
= 7200.
Answer is 7.2.

{Convert into kilometre multiplied by 1000;
7200/1000.
7.2 kilometres in 1 hour}
(67)

Aatir said:   1 year ago
Distance = 600m = 600/1000 km
= 0.6 km.

Time = 5mint = 5/60 hr = 1/12 hr.
Speed = Distance/time.
= (0.6)/1/12.
= 0.6×12.
=7.2
(66)

Xiyoz said:   2 years ago
Speed = Distance/Time.
600m Distance.

Time 5 Minute = 300 Seconds.
We need speed km/hr, it means 18/5.
600/300*18/5 = 36/5.
Ans = 7.2.
(52)

Abdul Basit said:   7 months ago
600 meters in 5 minutes.
To find 1 min distance;
= 600/5
= 120 meters in 1 min
60 min in 1 hour.

Multiply by 60 min to find the total distance in meters in 1 hour.
= 120 * 60.
= 7200 meter.

Convert into kilometre multiplied by 1000;
7200/1000.
7.2 kilometers in 1 hour.
(50)

Abhigyan Mund said:   2 years ago
We know,

1 min = 60 sec.
5 min = 60 * 5 = 300 sec.
A/c to question;

Distance = 600 m.
Time = 300 Sec.
Now speed = Distance/ Time = 600/ 300 = 2 m/s.
Converting km to meter, multiply with 18/5.
Now, 2*18/5 = 36/5 = 7.2 km/hr.
(49)


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