railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Speed Time and Distance Average Speed
A lady goes from home to office at a speed of 40 km/h, and returns back at a speed of 70 km/h. What is her average speed during the journey?
1
\(45{1 \over11}\) km/h
2
\(50{10 \over11}\) km/h
3
\(40{8 \over11}\) km/h
4
\(55{7 \over11}\) km/h