A and B take part in 100 m race. A runs at 5 kmph. A gives B a start…

Question

A and B take part in 100 m race. A runs at 5 kmph. A gives B a start of 8 m and still beats him by 8 seconds. The speed of B is:

Accepted Answer

Option B. 4.14 kmph. Answer & Solution Answer: Option B Solution: & A's 1pt 1pt speed = ( 5 × 518 ) m/sec & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = 2518 m/sec & Time 1pt 1pt taken 1pt 1pt by 1pt 1pt A 1pt 1pt to 1pt 1pt cover 100 m & = ( 100 × 1825 ) & = 72 & Time 1pt 1pt taken 1pt…