Question : A starts from a point at a speed of 34 m/s. After 5 seconds, B starts chasing A from the same point at a speed of 44 m/s. What will be the distance travelled by B before A is caught by B?
Option 1: 748 m
Option 2: 862 m
Option 3: 675 m
Option 4: 549 m
Correct Answer: 748 m
Solution :
Distance travelled in first 5 seconds = 34 × 5 = 170 m
Relative speed of B = 44 – 34 = 10 m/s
Time taken to catch A = $\frac{170}{10}$ = 17 s
Distance travelled by B in 17s = 44 ×17 = 748 m
Hence, the correct answer is 748 m.
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