state gov WB Gram Panchayat Mock Test 2024 Quantitative Aptitude Speed Time and Distance Partial Speed
A father and his son start at a point A with speeds of 12 km/h and 18 km/h respectively and reach another point B. If his son starts 60 min after his father at A and reaches B, 60 min before his father, what is the distance between A and B?
1
90 km
2
72 km
3
36 km
4
12 km