Paragraph for question nos 2 to 4 To find the speed of a

Last updated: 6/12/2023

Paragraph for question nos 2 to 4 To find the speed of a river s current a boatman decides to carry out the following experiment He drops a wooden bucket into the water and himself sets off downstream rowing along the flow of river After 40 min he reaches a point A 1 km from his starting point and turns back After travelling some distance upstream he picks up the bucket turns round again and rowing downstream once more reaches A for the second time 24 min later after picking the bucket Assuming that the speeds of both current and boat are constant and also that no time is wasted on turning round How long does the boatman spend on rowing upstream to meet the bucket A 24 min 3 B 40 min C 84 min D 16 min What is the speed of the current A 1 km hr 4 B km hr 3 What is the boat s speed relative to the water B 1 km hr A 1 2 km hr 3 C km hr 4 C 0 75 km hr 3 D km hr 10 D none of these 3 3