Aptitude - Time and Distance - Discussion
Discussion Forum : Time and Distance - General Questions (Q.No. 2)
2.
An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 1
hours, it must travel at a speed of:
hours, it must travel at a speed of:Answer: Option
Explanation:
Distance = (240 x 5) = 1200 km.
Speed = Distance/Time
Speed = 1200/(5/3) km/hr. [We can write 1 hours as 5/3 hours]
 Required speed = |
 |
1200 x | 3 |  km/hr |
= 720 km/hr. |
| 5 |
Discussion:
162 comments Page 13 of 17.
Mayur said:
10 years ago
Why we convert 5/3 into 3/5?
Please tell me.
Please tell me.
Sumit Wanza said:
10 years ago
240 km hour in 5 hours so 240 * 5 = 1200 km total distance.
Distance = 1 + 2/5 = 3/5.
= 1200/1 * 3/5.
= 1200 * 3 = 3600, = 1 * 5 = 5 .
= 3600/5 = 720.
So, the answer is 720 km.
Distance = 1 + 2/5 = 3/5.
= 1200/1 * 3/5.
= 1200 * 3 = 3600, = 1 * 5 = 5 .
= 3600/5 = 720.
So, the answer is 720 km.
Omar Faruq said:
10 years ago
I think the question should be in 1 hour 40 minutes not in 1 hour.
Naresh said:
10 years ago
@Manasa explain is clear please visit it.
Hiyaaa said:
9 years ago
How do you divide 1200 by 5/3? I need a reference.
Vishal said:
9 years ago
Nice explanation thanks @Avinash.
Minerve baruah said:
9 years ago
A car moves a distance of 450 km in 8 hours find its speed?
Solve and explain the answer.
Solve and explain the answer.
Gokul said:
9 years ago
How 5/3 changed into 3/5? Please tell.
Ross said:
9 years ago
Why does the 5/3 change to 3/5?
Bharath said:
9 years ago
If a boy walks at a speed of 12kmph, he takes 20 min to reach school. If he has to reach in 15 min, then with what speed he should walk?
Please tell me the solution.
Please tell me the solution.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers