1.

In 100 m race ,A runs at 8 km/h. If A gives B a start of 4 m and still beats him by 15 s,then what is the speed of B (m/s) ?

Answer»

(1) 1.4
(2) 2.2
(3) 1.6
(4) 2.5

Answer :`=5.76 km//h`


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