Correct Answer: Option B
Le the required time be x seconds.
More metres, More time (Direct Proportion)
So, 0.128 : 25 :: 1 : x
=> 0.128x = 25 x 1
=> x = 25/0.128 = (25 x 1000)/128
=> x = 195.31.
So, Required time = 195 sec (approximately).
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