UrbanPro
Login Ask & Answer Success Stories Paid Courses Free Classes Tuition & Classes Fees Write a Review All Categories Help Center
Post your Learning Need Signup as a Tutor
✕

Popular Cities

Bangalore

Hyderabad

Delhi

Mumbai

Chennai

Pune

Kolkata

Gurgaon

Ahmedabad

Jaipur

Noida

✕

Take Class 10 Tuition from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Book a Free Demo

Class 10 > Learn Mathematics > A motorboat can travel 30 km upstream and downstream...
✕

Search in

A motorboat can travel 30 km upstream and downstream 28 km in 7 hrs. It can travel 21 km upstream and return in 5 hrs. Find speed of the boat in still water and the speed of the stream?

Asked by Last Modified  

1 Answer

Learn Mathematics +2 Class IX-X Tuition Linear Equations

Follow 0
Answer

Please enter your answer

Maths Wizard

Let speed of boat is x km/hr: speed of stream is y km/hr downstream = x+y upstream = x-y therefore equation will be 30/x-y + 28/x+y =7 21/x-y + 21/x+y =5 let x-y= 1/p and x+y= 1/q 30p + 28q = 7 multiply 1 by 3 90p+84q=21 21p...
read more
Let speed of boat is x km/hr: speed of stream is y km/hr downstream = x+y upstream = x-y therefore equation will be 30/x-y + 28/x+y =7 21/x-y + 21/x+y =5 let x-y= 1/p and x+y= 1/q 30p + 28q = 7 multiply 1 by 3 90p+84q=21 21p + 21q = 5 2 by 4 84p+84q=20 by solving we get p=1/6 q= 1/14 further x+y = 14 and x-y =6 x=10 and y=4 will be the answer. read less
Comments
Dislike Bookmark

Related Questions

Do I need tuition for the class 10 boards?
It completely de.pends on your requirement. You could try solving a few sample papers to assess where your strong and weak points are. Accordingly decide if you need help for a particular subject. It is...
Saravanan
0 0
5
How can I get good score in class 10?
For getting good score regular study is very important.Study start from the beginning of syllabus given.First understand topic and remind it and recall your memory.When the examination come near study...
Raj
Which is the best website for learning Class 9 mathematics?
By searching on YouTube
Ashmita
0 0
6
Is geometry easier than algebra 1?
Yes this is easier than algebra.
Sarala
0 0
8
Mensuration
Mensuration is a branch mathematics that deals with measurement of volume & area of geometrical figures.
Anil

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Class 10 Math Coordinate Geometry by Ishh kp
Section formula : Friends, in this video, we gonna learn about the section formula of coordinate geometry chapter.

Ishwar Datt

1 0
0
Coefficient of Variation
The coefficient of variation (CV) is a measure of relative variability. It is given by below formula C.V = (standard deviation/mean) * 100 It is used to compare the two processes in the manufacturing...

Raj Kumar

1 0
0
Mastering Simple Calculations, my way!
Did you ever wonder how you can master simple calculations? 37 + 49? let's add 3 to 37 making it 40 and then subtracting 3 from 49 making it 46. Here it is 46 + 40 = 86 which is same as 37 + 49 = 86. ...
D

Deleted User

3 0
0
Multiply faster using "Vedic Ganit" technique
I will explain a simple and fastest process of multiplication. This can help you to get answers faster. Let's assume you have to multiply 9999 X 2456. Now think how much time it will take? Maybe 30...

Ritesh Rai

1 0
0
Trigonometric ratios for complementary angles
When the sum of two angles=90 degrees, they are called complementary angles. We can use following formula →sin(90-θ)=cosθ,cos(90-θ)=sinθ,tan(90-θ)=cotθ,cosec(90-θ)=secθ,sec(90-θ)=cosecθ We...

Palak K.

0 0
0

Recommended Articles

Meet Mohammad Wazid, a skilled trainer for...

Mohammad Wazid is a certified professional tutor for class 11 students. He has 6 years of teaching experience which he couples with an energetic attitude and a vision of making any subject easy for the students. Over the years he has developed skills with a capability of understanding the requirements of the students. This...

Read full article >

Meet Swati, a Hindi Tutor from Bangalore

Swati is a renowned Hindi tutor with 7 years of experience in teaching. She conducts classes for various students ranging from class 6- class 12 and also BA students. Having pursued her education at Madras University where she did her Masters in Hindi, Swati knows her way around students. She believes that each student...

Read full article >

Quest Academy - Institute of the month

Quest Academy is a professional Bangalore based NEET and JEE (Main + Advanced) training institute. The academy was incorporated in 2015 to cater to the needs of students, who aim to crack competitive exams by connecting with the best brains around. The institute helps students enhance their skills and capabilities through...

Read full article >

Meet Sandhya R, a B.Sc tutor from Bangalore

Sandhya is a proactive educationalist. She conducts classes for CBSE, PUC, ICSE, I.B. and IGCSE. Having a 6-year experience in teaching, she connects with her students and provides tutoring as per their understanding. She mentors her students personally and strives them to achieve their goals with ease. Being an enthusiastic...

Read full article >

Find Class 10 Tuition near you
Class 10 Tuition in Delhi
Class 10 Tuition in Bangalore
Class 10 Tuition in Hyderabad
Class 10 Tuition in Kolkata
Class 10 Tuition in Mumbai
Class 10 Tuition in Chennai
Class 10 Tuition in Pune
Class 10 Tuition in Noida
Class 10 Tuition in Lucknow
Class 10 Tuition in Jaipur
Online Tuition Class 10

Looking for Class 10 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you
X

Looking for Class 10 Tuition Classes?

The best tutors for Class 10 Tuition Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Take Class 10 Tuition with the Best Tutors

The best Tutors for Class 10 Tuition Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more

ThinkVidya Learning Pvt Ltd © 2010-2024All Rights Reserved