Task: Question Answering
Input (English): Problem: 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 ? 
Options: a ) 150 kms , b ) 160 kms , c ) 170 kms , d ) 180 kms , e ) 190 kms
Output (English): a