Q: 17 (CAPF/2016)

A vehicle with mileage 15 km per litre contains 2 L of fuel . The vehicle gets some defect as a result of which 5 L of fuel gets wasted per hour when the engine is on. With what minimum speed the vehicle has to move to travel 20 km with the existing amount of fuel, if it travels with a uniform speed?
question_subject: 
Maths
question_year: 
2016
question_exam: 
CAPF
stats: 
0,64,112,64,32,64,16