Wipro Company Numerical Ability Time Distance and Speed

2 objects start from the same pointand move in opposite directions along a circular path 700 metres long. The object that moves in the anti-clockwise direction moves at 45 metres/sec and the other at 60 metres/sec. Whenever they meet, they reverse direction and continue moving at the same speed as before. How many metres from the starting point (in anti-clockwise direction) will they be when they meet for the 12th/sup> time?

a. Can't say
b. 0
c. 300
d. 400

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Wipro Other Question
A racing car moving at 250 km/hr has to halt for a tyre change when it leads over the 2nd position by 580 metres. By the end of the tyre change which takes 14 seconds, the car that was in the 2nd position is now ahead by 260 metres. What is the speed of this car?

a. 166 km/hr
b. 200 km/hr
c. 216 km/hr
d. 266 kni/hr In a race on a circular track, there were 12 laps of 150 mts. each. A and B were neck-to-neck till the and of the third lap, but thereafter B went.to win the race by 81 ms. If B gained uniformly over A in all the remaining laps, the ratio of the speeds of A and B for each of those laps was

a. 129: 150
b. 150: 141
c. 150: 129
d. 141 1.50