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ashok

· started a discussion

· 1 Months ago

solution (Question: 217523.0 )

d=10*t...(1)
d=15*(t-2)....(2)
then t= 6, means he starts at 7 am
now
D= 10*6=60 km
D=S*T
60= S*5.....( 7am to 12 )
s=12km/hr.

Question:

A man reaches his office at 1 pm if he walks at a speed of 10 km/hour and he reaches at 11 am if he walks at the speed of 15 km/hour. At what speed should he walk so that he may reach his office at 12 noon ?

Options:
A) 12.5 kmph
B) 13 kmph 
C) 13.5 kmph 
D) 12 kmph 
Solution:
Ans: (d)


Neeraj

· commented

· 1 Months ago

thanks bro

Pandey Ji

· commented

· 1 Months ago

thanks man

unkown

· commented

· 1 Months ago

thanks bro.
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