A thief is potted by an NYPD cop from a distance 200 m. When the cop starts following the thief he starts running. If speed of the thief be 6 kmph and that of a cop be 8 kmph, how far the theif will have run before he is overtaken?

Options
- 800 m
- 600 m
- 1000 m
- 1200 m

CORRECT ANSWER : 800 m

Discussion Board
Answer

Convert 200m into Km which is 0.2 Km and then apply equation
(0.2+x)/8 = x/6
Then x comes to be 0.8 Km =800m

Omi 08-19-2022 05:13 AM

Correct answer

Tc = Tt
Dc/Sc = Dt/St
200+D/8 = D/6
8D = 6(200+D)
8D = 1200+6D
2D = 1200
D = 600m

Manju 09-11-2021 03:29 AM

mca

firstly convert 6kmph into m/s 6*5/18=5/3
8*5/18=10/9
5/3d=(200+d)*9/10
5/3d=9d+1800/10
23d=5400
800


rishika 08-7-2021 12:47 PM

Answer

Tc = Tt
Dc/Sc = Dt/St
200+D/8 = D/6
8D = 6(200+D)
8D = 1200+6D
2D = 1200
D = 600m

Preethi 06-30-2020 07:26 AM

Write your comments


Enter the code shown above:

(Note: If you cannot read the numbers in the above image, reload the page to generate a new one.)


Advertisement
 
▲