railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Speed Time and Distance Partial Speed
A takes 2 hours more than B to cover a distance of 40 km. If A doubles his speed, he takes \(1\frac{1}{2}\) hour more than B to cover 80 km. To cover a distance of 120 km, how much time (in hours) will B take travelling at his same speed?
1
\(1\frac{1}{4}\)
2
\(1\frac{2}{3}\)
3
\(1\frac{1}{3}\)
4
\(1\frac{1}{2}\)