Xavier starts from P towards Q at a speed of 50 kmph and after every 12 mins increases his speed by 10 kmph. If the distance between P and Q is 52km, then how much time does he take to cover the distance? Choices.
A) 40	B) 60	C) 48	D) 70	E) 80
first 12min = 50 *12/60= 
<gadget id="calculator">50 *12/60</gadget>
<output>10</output>
10 km   2nd 12min= 60*12/60= 
<gadget id="calculator">60*12/60</gadget>
<output>12</output>
12km   3rd 12 min= 70*12/60= 
<gadget id="calculator">70*12/60</gadget>
<output>14</output>
14 km   4th 12 min= 80 *12/60= 
<gadget id="calculator">80 *12/60</gadget>
<output>16</output>
16 KM   TOTAL time 12.4=48 min   48
<result>C</result>
Xavier starts from P towards Q at a speed of 50 kmph and after every 12 mins increases his speed by 10 kmph. If the distance between P and Q is 52km, then how much time does he take to cover the distance?