state gov DDA Junior Secretariat Assistant (JSA) Mock Test 2023 Quantitative Aptitude Speed Time and Distance Partial Speed
On a river, Q is the mid-point between two points P and R on the same bank of the river. A boat can go from P to Q and back in 12 hours, and from P to R in 16 hours 40 min. How long would it take to go from R to P?
1
\(3\frac{1}{3}\;hr\)
2
5 hr
3
\(6\frac{2}{3}\;hr\)
4
\(7\frac{1}{3}\;hr\)