Please wait...
1800-212-7858 (Toll Free)
9:00am - 8:00pm IST all days
8104911739
For Business Enquiry

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 toll free number

022-62211530

Mon to Sat - 11 AM to 8 PM

Home / Doubts and Solutions/CBSE/Class 10/Mathematics

A jar contains blue and green marbles The number of green marbles is 5 more than twice the number of blue if probability of drawing a blue one at random is 2/7 , how many blue and green marbles are there in the jar

Asked by manoj kumar 23rd February 2013, 11:10 AM
Answered by Expert
Answer:
Let the number of blue marbles = x
As per the question, the number of green marbles would be 2x+5
 
So, there are 10 blue marbles and 25 (obtained on solving for 2x+5) green marbles in the jar. 
Answered by Expert 23rd February 2013, 7:19 PM
Rate this answer
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10

You have rated this answer /10

Report an issue
Previous Question
Next Question
Your answer has been posted successfully!

Free related questions

  • THE Circle has a centre O.AM&BM are the tangents.show that : O,A,B,M ARE CONCYCLIC
  •  
  • IF THE RADII OF TWO CONCENTRIC CIRCLES ARE 15cm &  17cm show that:the length of the one chord which  is tangent to the other.
 
 
12th November 2016, 8:59 AM
If the points A(6,1), B(8,2), C(9,4), D(p,3) are the vertices of a parallelogram , taken in order , find the value of p.
13th November 2016, 11:30 PM
If the quadratic equation px2 – 2 5 px + 15 = 0 has two equal roots,
then find the value of p.
24th January 2017, 9:00 AM
If the quadratic equation px2 – 2 root5 px + 15 = 0 has two equal roots,
then find the value of p.
24th January 2017, 9:02 AM
I need  general time table till exams
And need details how to study a particular subject
24th January 2017, 8:52 PM
RELATED STUDY RESOURCES :
CBSE Class-10 QUESTION ANSWERS

Chat with us on WhatsApp