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 Quantitative Aptitude from the Best Tutors

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

Book a Free Demo

Quantitative Aptitude > Learn Quantitative Aptitude > A bag contains 2 red, 3 green and 2 blue balls. Two...
✕

Search in

A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue?

Asked by Last Modified  

21 Answers

Learn Quantitative Aptitude

Follow 0
Answer

Please enter your answer

((5!*5!)/(3!*7!))=10/21=0.476190
Comments
Dislike Bookmark

Best Institute For Competitive Exams

10/21
Comments
Dislike Bookmark

Deepak 2C2/7C2 = 1/21 ? Probability=Possible out come / Total out come. 5C2/7C2 = 10/21 5C2 -> 7C2 ->
Comments
Dislike Bookmark

Tutor

5/7
Comments
Dislike Bookmark

The Complete Cover

1-(10/21)=11/21
Comments
Dislike Bookmark

Trainer

Solution: Total Number of balls = 2+2+3= 7 Number of ways of drawing 2 balls out of 7 = 7C2 Total Number of balls other than Blue = 2 red + 3 green = 5 Number of ways of drawing 2 balls( other than blue) out of 7 = 7C2 Probability of drawing balls other than blue = 5C2/7C2 =10/21
Comments
Dislike Bookmark

10/21
Comments
Dislike Bookmark

Trainer

Total balls is 7. Number of ways of drawing 2 out of this 7 is 21. Event of drawing 2 balls, none of which is blue is 10. Therefore, answer is 10/21
Comments
Dislike Bookmark

Come and Join us in exploring your Abilities and Intelligence with advancing Team work, Innovation and Synergy

5/7 * 2/3
Comments
Dislike Bookmark

((5!*5!)/(3!*7!))=10/21=0.476190
Comments
Dislike Bookmark

View 19 more Answers

Related Questions

if 9+3=108, 6+7=78, 4+8=48, 8+5=104, then 5+3=?
40
Suraj
The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is……...?
16
Vishal
If the sum of two numbers & their LCM is 79.Then how many possible set of numbers can satisfy above equation.
Hi Sathya - there are a set of solutions - Let the numbers be A and B and their LCM be L and HCF be H. Thus, A and B are multiples of H. Let A = H*p; B = H*q. Thus, L = H*p*q; where p and q are co-prime. Hence,...
Mukesh Shukla
A hunter walked one kilometer south from his camp. Then he walked one kilometer west. There he shot a bear. Then he walked one kilometer north, and found that he was back at his camp. What color was the bear?
This can occur only in North pole. So colour of bear is White.
Learn Unwired
If increasing 20 by P percentage gives the same result as decreasing 60 by P percentage,What is P percentage of 70?
Increasing 20 by P% => x=20+20.P/100 Decreasing 60 by P% => y=60-60.P/100 Acoording to the question, x=y => 20+20.P/100=60-60.P/100 Solving we get P=50 So, P% of 70=50% of 70=35 So, answer is 35
Prabhu

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

Ask a Question

Related Lessons

Three Digit Multiplication Shortcut
1) 123*456 I II III 1 2 3 4 5 6 Multiply column III. Here, it's 18. Write 8 and carry over 1. Result=>__8 Cross multiply column II and III diagonally. ie 2*6 and 3*5. We get 12...

Mahadev

2 0
0
Aptitude Puzzle
When the price of wheat was increased by 32%, a family reduced its consumption in such a way that the expenditure on wheat was only 10% more than before. If 30kg were consumed per month before, find the...

Surendra Reddy Ankireddypalli

0 0
0
Shortcuts For Aptitude : (Topic - Average)
Important Things To Remember: Replacement case: Weight of new person = Weight of outgoing person + No of person (inc in average) Weight of new person = Weight of outgoing person - No of person...

Nirmal Kumar R

1 0
0
Let's find cube of a number
How to find Cube of a number?

Sulthan GD

0 0
1
Greek words used in English Language
Dogma (noun) (established belief or set of principles held by a religion, ideology or by any organization) Eureka (interjection) (I have found!) (Archimedes) While taking a bath, he suddenly realized...
V

Vidussi S.

0 0
0

Recommended Articles

Hurry up! Apply for Government Jobs before...

There are a number of exciting upcoming government jobs in India for you. Just check out the links and apply for relevant jobs. Open Positions: Position Name Dept./Org. Vacancies Last Date Info. Link LDC, Steno, Driver, MTS, Ayah, Cook IAF 140 30-03-2015 http://bit.ly/1C1zjAM Technician,...

Read full article >

8 Exam Stress Busters That You Can Count On

When exams knock at the door, it is common to go paranoid. First, the constant worry on how you will perform and whether you are preparing right is a major concern. Next, the limited time span and the vast syllabus that you have to complete. Irrespective of the kind of exam you are appearing for, stress is common and happens. If...

Read full article >

Revision Techniques to Improve Learning during...

Students Preparing for Exams are always bogged by Revision to be completed and how much to Revise. I had found these Revision Techniques to be profound in actual getting good exams scores during my school days. Let us see what effective Revision Techniques can be used to improve Learning 1) If Time is King, an...

Read full article >

Bank P.O Exam Guide

Bank P.O is one of the most talked about examination for bank recruitment in India. P.O stands for Probationary Officer which is an entry level position in banks, which are especially for fresh graduates or a person without any prior experience. The probation period for Bank P.Os is generally 2 years in which they’re trained...

Read full article >

Find Quantitative Aptitude Coaching near you
Quantitative Aptitude Coaching in Hyderabad
Quantitative Aptitude Coaching in Bangalore
Quantitative Aptitude Coaching in Delhi
Quantitative Aptitude Coaching in Chennai
Quantitative Aptitude Coaching in Pune
Quantitative Aptitude Coaching in Mumbai
Quantitative Aptitude Coaching in Gurgaon
Quantitative Aptitude Coaching in Kolkata
Quantitative Aptitude Coaching in Jaipur
Quantitative Aptitude Coaching in Chandigarh

Looking for Quantitative Aptitude Coaching?

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 Quantitative Aptitude Classes?

The best tutors for Quantitative Aptitude Classes are on UrbanPro

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

Take Quantitative Aptitude with the Best Tutors

The best Tutors for Quantitative Aptitude 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