i.....(know) him for most of my life..... the guests arrived the sale figure.......(incresed) for some time but this fornight there has been an all time
high
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Answer:
Solution:
Let A be waiting from x minutes.
and B be waiting from y minutes.
Present time =11:30
Two minutes ago,
(x−2)=
2
1
(y−2)
or, 2x−y=2 ................(i)
and three minutes from now
x+3=
3
2
(y+3)
or, 3x−2y=−3 .....................(ii)
Solving eqn(i) and (ii) we get,
x=7 and y=12
Therefore, A is waiting from 7 minutes
i.e. A arrived 7 minutes before 11:30 i.e. at 11:23
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