" (R) "28km,42.6km" ? "F_(5ClOT)" on "2H" ."

A boat goes 24km downstream in10 h it takes 2 h more to cover the same distance against the stream. What is the speed of the boat in still water? (A) 2 km/h (B) 2.8 km/h (c ) 4 km/h (D) None of these

In a steam running at 2 km/h, a motorboat goes 10 km upstream and back again to the starting point in 55 min. Find the speed of the motorboat in still water (A) 22 km/h (B) 32 km/h (c ) 42 km/h (D) 52 km/h

A fisherman can slow 2 km against the stream in 20 min and return in 15 min. What is the speed of the current? (A) 1 km/h (B) 6 km/h (C) 10 km/h (D) 2 km/h

How much less is 28km than 42.6 km ?

Speed of a boat along and against the current are 14 km/h and 8 km/h,respectively.The speed of the current is (A) 11 km/h (B) 6 km/h (C) 5.5 km/h (D) 3 km/h.

A boat goes a certain distance at 40 km/h and comes back the same distance at 24 km/h. What is the average speed for the total journey? (A) 32 km/h (B) 28 km/h (C) 34 km/h (D) 30 km/h