Please wait...
Contact Us
Contact
Need assistance? Contact us on below numbers

For Study plan details

93219 24448 / 89292 63204

10:00 AM to 7:00 PM IST all days.

For Franchisee Enquiry

81783 72169
OR

Chat with us on WhatsApp

or

Thanks, You will receive a call shortly.
Customer Support

You are very important to us

For any content/service related issues please contact on this number

93219 24448 / 99871 78554

Mon to Sat - 10 AM to 7 PM

Home / Doubts and Solutions/GUJARAT - GUJARATI MEDIUM/Class 9/ગણિત

QID : 63 - Meghnad can do a piece of work in 45 hours. If he is joined by Jayshri, who is 50% more efficient, in what time will they together finish the work? 

Asked by aryap7964 8th December 2017, 7:06 PM
Answered by Expert
Answer:
begin mathsize 16px style part space of space work space done space by space straight M space in space 1 space hr equals 1 over 45 straight M space takes space 45 space hours Since space straight J space is space 50 percent sign space more space efficient space than space straight M. space So space this space implies space that space straight M space takes space 50 percent sign space more space time space than space straight J 45 equals 150 over 100 cross times time space of space straight J then space straight J space will space take space time equals 30 space hrs part space of space work space done space by space straight j space in space 1 space hr equals 1 over 30 together space in space one space hour 1 over 45 plus 1 over 30 equals 1 over 18 so space together space they space will space complete space the space work space in space 18 space hrs end style
Answered by Expert 13th December 2017, 6:35 PM
Rate this answer
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10

You have rated this answer /10

Report an issue
Tags: time work
Previous Question
Next Question
Your answer has been posted successfully!

Free related questions

the work done in joules when a gas compressed by an average pressure of 0.50 atm so as to decrease it's volume from 400 cm³ to 200 cm³
2nd February 2022, 10:35 AM
A work of 400 J is done in moving a 10000 C charge from one point to another point in an electric field. The potential difference between the points is ? (a) 4.0 V (b) 0.4 V (c) 0.004 V (d) 0.04 
8th January 2023, 2:12 PM
answer
9th October 2023, 10:49 AM
Calculate the work required to be done to stop a car of 1500 kg moving at a velocity of 60 km hour
30th November 2023, 8:39 AM
mention the expression for work done
7th December 2023, 5:22 PM
RELATED STUDY RESOURCES :
GUJARAT - GUJARATI MEDIUM Class-9 QUESTION ANSWERS

Browse free questions and answers by Chapters

Trending Tags

trigonometric equations Mole concept linear equations circle trigonometric ratios functions matrix operations integration arithmetic progression quadratic equation

Latest Questions

CBSE X Biology
What is enzyme  
Asked by Sureshgowdayd548 28th October 2020, 10:50 PM
JEE Main Mathematics
The following pseudocode is executed using the “Paragraph words” dataset. At the end of the execution, CountB captures the number of verbs with letter count less than the average letter count of verbs. But the pseudocode may have mistakes in one or more lines. Identify all such lines (if any). It is a Multiple Select Question (MSQ).  Error in Line 4  Error in Line 8  Error in Line 11  Error at Line 12  Error in Line 17  Error at Line 18  Error in Line 21 The following pseudocode is executed using the “Words” table. What will be the value of A at the end of the execution?
Asked by amaladelsingh 28th October 2020, 10:24 PM
CBSE X Biology
I want a brief clarity on Taxonomy
Asked by reenacharan2008 28th October 2020, 9:11 PM

Chat with us on WhatsApp