engineering recuitment AAI Junior Executive (Common Cadre) Mock Test 2023 Quantitative Aptitude Speed Time and Distance Boat and River
A boat takes 2 hours more to travel 45 km upstream than to travel the same distance downstream. If the ratio of the speed of current to the speed of boat is 1 ∶ 4, then find the speed of the current.
1
5 km/hr
2
9 km/hr
3
4 km/hr
4
6 km/hr
5
none of these