A tempo, while travelling at 70 kmph, uses 30% more petrol than it uses while travelling at 50 kmph for travelling a certain distance. Using one litre of petrol, it can travel 19.5 km at 50 kmph. How far can the tempo travel on 10 litres of petrol at a speed of 70 kmph? Select the correct option.
A) 150 kms B) 160 kms C) 170 kms D) 180 kms E) 190 kms
@50 kmph , one km distance uses 1/19.5 ltr petrol.   @70kmph, one km dist. uses 1.3/19.5 ltr petrol   Distance travelled with 10 ltrs @ 70kmph = 10*19.5/1.3= 
<gadget id="calculator">10*19.5/1.3</gadget>
<output>150</output>
150 kms.   150 kmsNSWER:150 kms
<result>A</result>
A tempo, while travelling at 70 kmph, uses 30% more petrol than it uses while travelling at 50 kmph for travelling a certain distance. Using one litre of petrol, it can travel 19.5 km at 50 kmph. How far can the tempo travel on 10 litres of petrol at a speed of 70 kmph?