CRUSH YOUR BRAIN!!!!!!!!!!!

1)A thief steals a car at 2.30 PM and drives it at 60 km per hour.The theft is discovered at 3 PM and the owner sets off in another car at 75 km per hour.When will he over take the thief?

2)By what time in between 3 O'clock and 4 O'clock both the needles coincide each other?

3)If a/b is 3/4 and 8a+5b=22 then a is:

4)John starts from a point and walks 4 km east and then turns left and walks 3 km.Again he turns left and walks 4 km.How far is he now from the starting point?

5)The ratio of respective ages of Raj and Ravi is 4:3 and sum of their age is 28.What will be the age ratio after 8 years?

6)How long does a train of 110 meters long running at the rate of 54 km/hour take to cross a bridge 13o meter in length?

7)30 men and 20 women can do a work in 15 days .After 10 days the women stop working .Rest of the work was completed by these 30 men in 8 days.In how many days can only 20 women do the same job?
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Answers:
1)5 PM
2)16 4\11 m
3)2/3
4)3 km
5)6:5
6)16 seconds
7)40