The speed of a bus increases by 2 kmph after every one hour. If the distance travelled in the first one hour was 35 km, what was the total distance travelled in 12 hours?	Choose one:
A) 550 B) 500 C) 552 D) 560 E) 580
Dist 1st hr = 35 km   speed of bus by 2 kmph 2nd hr = 37 km   3rd hr = 39 km   tot = 35+37+39+....(12 terms)   12/2(2*35+(12-1)2]   =6*92= 
<gadget id="calculator">6*92</gadget>
<output>552</output>
552   ANSWER 552
<result>C</result>
The speed of a bus increases by 2 kmph after every one hour. If the distance travelled in the first one hour was 35 km, what was the total distance travelled in 12 hours?