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Boat River - Absolute-Beginner Level: core concept mastery Boat River ABSOLUTE BEGINNER

This skill primer 🌟 worksheet focuses on Boat River - a key topic in Distance Logic. You'll solve 20 absolute-beginner-level problems (Worksheet 1 of 10). The primary focus is on core concept mastery. Master boat river problems, boat river reasoning questions, and boat river practice through systematic practice.

📝 Worksheet 1 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Absolute Beginner level

What you'll learn in this worksheet:
Your progress through Boat River
Worksheet 1 of 10 (0% complete)

Question 1

A boat travels at 21 km/h in still water. The stream flows at 5 km/h. How long will it take to go 54 km upstream?
Step-by-step:
1. Upstream speed = Boat speed - Stream speed = 21 - 5 = 16 km/h
2. Time = Distance / Speed = 54 / 16 = 3.4 hours

Question 2

A boat travels at 20 km/h in still water. The stream flows at 7 km/h. How long will it take to go 46 km downstream?
Step-by-step:
1. Downstream speed = Boat speed + Stream speed = 20 + 7 = 27 km/h
2. Time = Distance / Speed = 46 / 27 = 1.7 hours

Question 3

A boat travels at 18 km/h in still water. The stream flows at 5 km/h. How long will it take to go 60 km upstream?
Step-by-step:
1. Upstream speed = Boat speed - Stream speed = 18 - 5 = 13 km/h
2. Time = Distance / Speed = 60 / 13 = 4.6 hours

Question 4

A boat travels at 22 km/h in still water. The stream flows at 6 km/h. How long will it take to go 33 km upstream?
Step-by-step:
1. Upstream speed = Boat speed - Stream speed = 22 - 6 = 16 km/h
2. Time = Distance / Speed = 33 / 16 = 2.1 hours

Question 5

A boat travels 40 km downstream in 1.2 hours and upstream in 2.2 hours. The stream speed is 7 km/h. Find the boat's speed in still water.
Step-by-step:
1. Let boat speed = x km/h, stream speed = 7 km/h
2. Downstream: 40/(x + 7) = 1.2
3. Upstream: 40/(x - 7) = 2.2
4. Solving gives x = 25 km/h

Question 6

A boat travels at 17 km/h in still water. The stream flows at 7 km/h. How long will it take to go 59 km upstream?
Step-by-step:
1. Upstream speed = Boat speed - Stream speed = 17 - 7 = 10 km/h
2. Time = Distance / Speed = 59 / 10 = 5.9 hours

Question 7

A boat travels at 18 km/h in still water. The stream flows at 7 km/h. How long will it take to go 61 km upstream?
Step-by-step:
1. Upstream speed = Boat speed - Stream speed = 18 - 7 = 11 km/h
2. Time = Distance / Speed = 61 / 11 = 5.5 hours

Question 8

A boat travels 57 km downstream in 2.5 hours and upstream in 3.8 hours. The stream speed is 4 km/h. Find the boat's speed in still water.
Step-by-step:
1. Let boat speed = x km/h, stream speed = 4 km/h
2. Downstream: 57/(x + 4) = 2.5
3. Upstream: 57/(x - 4) = 3.8
4. Solving gives x = 19 km/h

Question 9

A boat travels at 21 km/h in still water. The stream flows at 8 km/h. How long will it take to go 54 km upstream?
Step-by-step:
1. Upstream speed = Boat speed - Stream speed = 21 - 8 = 13 km/h
2. Time = Distance / Speed = 54 / 13 = 4.2 hours

Question 10

A boat travels at 13 km/h in still water. The stream flows at 8 km/h. How long will it take to go 52 km upstream?
Step-by-step:
1. Upstream speed = Boat speed - Stream speed = 13 - 8 = 5 km/h
2. Time = Distance / Speed = 52 / 5 = 10.4 hours

Question 11

A boat travels at 21 km/h in still water. The stream flows at 7 km/h. How long will it take to go 72 km downstream?
Step-by-step:
1. Downstream speed = Boat speed + Stream speed = 21 + 7 = 28 km/h
2. Time = Distance / Speed = 72 / 28 = 2.6 hours

Question 12

A boat travels at 13 km/h in still water. The stream flows at 3 km/h. How long will it take to go 76 km downstream?
Step-by-step:
1. Downstream speed = Boat speed + Stream speed = 13 + 3 = 16 km/h
2. Time = Distance / Speed = 76 / 16 = 4.8 hours

Question 13

A boat travels at 22 km/h in still water. The stream flows at 4 km/h. How long will it take to go 42 km upstream?
Step-by-step:
1. Upstream speed = Boat speed - Stream speed = 22 - 4 = 18 km/h
2. Time = Distance / Speed = 42 / 18 = 2.3 hours

Question 14

A boat travels at 16 km/h in still water. The stream flows at 3 km/h. How long will it take to go 48 km downstream?
Step-by-step:
1. Downstream speed = Boat speed + Stream speed = 16 + 3 = 19 km/h
2. Time = Distance / Speed = 48 / 19 = 2.5 hours

Question 15

A boat travels at 20 km/h in still water. Stream speed is 4 km/h. What is the difference between upstream and downstream time for 61 km?
Step-by-step:
1. Downstream speed = 24 km/h, Time = 2.5 hours
2. Upstream speed = 16 km/h, Time = 3.8 hours
3. Difference = 3.8 - 2.5 = 1.3 hours

Question 16

A boat travels at 18 km/h in still water. Stream speed is 5 km/h. What is the difference between upstream and downstream time for 65 km?
Step-by-step:
1. Downstream speed = 23 km/h, Time = 2.8 hours
2. Upstream speed = 13 km/h, Time = 5.0 hours
3. Difference = 5.0 - 2.8 = 2.2 hours

Question 17

A boat travels at 20 km/h in still water. Stream speed is 6 km/h. What is the difference between upstream and downstream time for 35 km?
Step-by-step:
1. Downstream speed = 26 km/h, Time = 1.3 hours
2. Upstream speed = 14 km/h, Time = 2.5 hours
3. Difference = 2.5 - 1.3 = 1.2 hours

Question 18

A boat travels at 23 km/h in still water. The stream flows at 8 km/h. How long will it take to go 72 km downstream?
Step-by-step:
1. Downstream speed = Boat speed + Stream speed = 23 + 8 = 31 km/h
2. Time = Distance / Speed = 72 / 31 = 2.3 hours

Question 19

A boat travels at 10 km/h in still water. The stream flows at 3 km/h. How long will it take to go 36 km downstream?
Step-by-step:
1. Downstream speed = Boat speed + Stream speed = 10 + 3 = 13 km/h
2. Time = Distance / Speed = 36 / 13 = 2.8 hours

Question 20

A boat travels 53 km downstream in 1.7 hours and upstream in 3.1 hours. The stream speed is 7 km/h. Find the boat's speed in still water.
Step-by-step:
1. Let boat speed = x km/h, stream speed = 7 km/h
2. Downstream: 53/(x + 7) = 1.7
3. Upstream: 53/(x - 7) = 3.1
4. Solving gives x = 24 km/h
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