JOIN OUR PROGRAM AND BUILD YOUR CAREER IN TECH WITH EDULADDER.

SAMPLES APPLY NOW HERE

Real Problems! Real Experts!

An unparalleled, New approach On creative thinking and problem solving.

In eduladder you can Ask,Answer,Listen,Earn and Download Questions and Question papers.

Watch related videos of your favorite subject.

Connect with students from different parts of the world.

Apply or Post Jobs, Courses ,Internships and Volunteering opportunity. For FREE

See Our team

Wondering how we keep quality?

Got unsolved questions? Ask Questions

GATE
GMAT
CBSE
NCERT
Career
Interview
Railway
UPSC
NID
NIFT-UG
NIFT-PG
PHP
AJAX
JavaScript
Node Js
Shell Script
Research

Checkout our YouTube channel for video tutorials and learn more about Eduladder.

New updates

Searching for :AJAXDate:2022-05-20 03:47:02Done by:Anonymous user(Visitor)Searching for :ResearchDate:2022-05-20 03:46:23Done by:Anonymous user(Visitor)

Searching for :NCERTDate:2022-05-20 03:32:06Done by:Anonymous user(Visitor)

View All

Career 2.0

You might be intrested on below oppertunities Show me All

Posted By:Eduladder

### Similar Questions

**A bag contains 15 white and some black balls. If the probability of drawing a black ball from the bag is thrice that of drawing a white ball, find the number of black balls in the bag. Mathematics CBSE class 10 2017**

1 Answer

**A box contains 100 balls of same size, of which, 25 are black and 75 are white. Out of 25 black balls, 5 have a red dot. A trial consists of randomly picking a ball and putting it back in the same box, i.e., sampling is done with replacement. Two such trials are done. The conditional probability that no black ball with a red dot is picked given that at least one black ball is picked, is __________. Gate-2018-General-Aptitude**

1 Answer

**There are 5 red and 3 black balls in a bag. Probability of drawing a black ball is : CBSE class 9 Mathematics**

1 Answer

**In a box, there are 2 red, 3 black and 4 blue coloured balls. The probability of drawing 2 blue balls in sequence without replacing, and then drawing 1 black ball from this box is _________%. (GATE-Agricultural-Engineering-2018)**

1 Answer

**An urn contains four balls, each ball having equal probability of being white or black. Three black balls are added to the urn. The probability that five balls in the urn are black is**

1 Answer

**A box contains 3 white and 2 black balls. Two balls are drawn at random one after the other. If the balls are not replaced, what is the probability that both the balls are black?**

1 Answer

**A box contains 2 red and 3 black balls. Three balls are randomly chosen from the box and are placed in a bag. Then the probability that there are 1 red and 2 black balls in the bag, is ___________ .**

1 Answer

**T wo bags š“ and šµ have equal number of balls. Bag š“ has 20% red balls and 80% green balls. Bag šµ has 30% red balls, 60% green balls and 10% yellow balls. Contents of Bags š“ and šµ are mixed thoroughly and a ball is randomly picked from the mixture. What is the chance that the ball picked is red?**

1 Answer

**A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one blĆ„ck ball is to included in the draw**

1 Answer

**A bag contains 5 black and 3 white balls. Two balls are drawn at random one after the other without replacement. What is the probability that both are white?**

1 Answer

**A bag contains balls of two colours, 3 black and 3 white. What is the smallest number of balls which must be drawn from the bag, without looking, so that among these there are two of the same colour?**

1 Answer

**Box 1 contains 15 balls out of which 3 are red. Box 2 contains 12 balls out of which 4 are red. If one ball is drawn at random from each box simultaneously, the probability of getting at least one red ball is. GATE- Agricultural En**

1 Answer

**A box contains 20 balls bearing numbers 1, 2, 3, 4, ..., 20. A ball is drawn at random from the box. What is the probability that the number on the ball is CBSE Mathematics**

1 Answer

**A box has 8 red balls and 8 green balls. Two balls are drawn randomly in succession from the box without replacement. The probability that the first ball drawn is red and the second ball drawn is green is**

1 Answer

**Four red balls, four green balls and four blue balls are put in a box. Three balls are pulled out of the box at random one after another without replacement. The probability that all the three balls are red is (gate 2018 mechanical engineering)**

1 Answer

**Choose the correct set of colours from given choices for the given Indian traffic sign.(NID-2018)**

1 Answer

**A bag contains balls of 2 colours 3 black and 3 white .what is the smallest number of balls which must be drawn from the bag without looking ,so that among these there are two of the same colour?**

0 Answer

**Three hundred Passengers are travelling in white, silver and black cars; each of these cars is carrying 6, 5 and 3 passengers, respectively. If the number of white and silver cars is equal and there is only one black car, what is the total number of cars ?**

0 Answer

**There are 6 boxes numbered 1, 2,...6. Each box is to be filled up either with a red or a green ball in such a way that at least 1 box contains a green ball and the boxes containing green balls are consecutively numbered. The total number of ways in which this can be done is (GMAT-MATHS)**

2 Answer

**A black and a red die are rolled together. Find the conditional probability of obtaining the sum 8, given that the red die resulted in a number less than 4. (MATHS-CBSE-12-2018)**

1 Answer

### Notes

**E-Paper Technology**

**Drawing a cute pirate charecter in photoshop**

**CE2208 COMPUTER AIDED BUILDING DRAWING**

**ME2155 COMPUTER AIDED DRAFTING AND MODELING LABORATORY**

**report and ppt for white led**

**How to create powerfull emotional feelings using photoshop**

**Data structure with C 10CS35 unit-8**

**Saturn in Third House**

**Cloud Computing [14SCS12] VTU unit-2**

**CE 2405 COMPUTER AIDED DESIGN & DRAFTING LABORATORY**

## A bag contains 15 white and some black balls. If the probability of drawing a black ball from the bag is thrice that of drawing a white ball, find the number of black balls in the bag. Mathematics CBSE class 10 2017

Asked On2017-07-12 16:02:20 by:tarun101

Taged users:

Likes:

Be first to like this question

Dislikes:

Be first to dislike this question

Talk about this Like Dislike

Download question setAnswersLikes:

Be first to like this answer

Dislikes:

Be first to dislike this answer

Talk about this Like Dislike

## You might like this video:black holes

Watch more here

## Watch more videos from this user Here

Learn how to upload a video over here

Lets together make the web is a better placeWe made eduladder by keeping the ideology of building a supermarket of all the educational material available under one roof. We are doing it with the help of individual contributors like you, interns and employees. So the resources you are looking for can be easily available and accessible also with the freedom of remix reuse and reshare our content under the terms of creative commons license with attribution required close.

You can also contribute to our vision of "Helping student to pass any exams"with these.Answer a question:You can answer the questions not yet answered in eduladder.How to answer a questionCareer:Work or do your internship with us.Work with usCreate a video:You can teach anything and everything each video should be less than five minutes should cover the idea less than five min.How to upload a video on eduladder