A gives B a start of 30 seconds in a km race and still beats him by 20 m. However, when he gives B a start of 35 seconds, they finish the race in a dead heat. How long does A take to run the km?
Submitted by: Administrator1. 250 seconds
2. 285 seconds
3. 220 seconds
4. 215 seconds
Ans : D
Submitted by: Administrator
2. 285 seconds
3. 220 seconds
4. 215 seconds
Ans : D
Submitted by: Administrator
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