Teaching NVS Junior Secretariat Assistant (JSA) Mock Test 2024 Quantitative Aptitude Speed Time and Distance Boat and River
The total length of X and Y into 2 equal parts and the ratio of time taken by a boat from X to Y and Y to X is 4 : 5 then find the ratio of Downstream and speed of stream.
1
5 : 1
2
8 : 1
3
9 : 1
4
10 : 1