Search found 10 matches
Five balls of different colors are to be placed in three boxes of different sizes. Each box can hold all five balls. In how many different ways can we we place the balls so that no box remains empty? A. 150 B. 10 C. 60 D. 300 E. 375 Case 1: 1 box has 3 marbles, the other 2 boxes each have 1 marble ...
- by Joepc
Thu Feb 23, 2017 12:36 pm- Forum: Problem Solving
- Topic: Five Distinct balls needs to be placed in three boxes
- Replies: 3
- Views: 2322
Five Distinct balls needs to be placed in three boxes
Question :- Five balls needs to be placed in three boxes. Each box can hold all the five balls. In how many ways can the balls be placed in the boxes if no box can be empty and all balls and boxes are different Please Help to solve this type of division and distribution combination sums I approached...
- by Joepc
Wed Feb 22, 2017 9:12 pm- Forum: Problem Solving
- Topic: Five Distinct balls needs to be placed in three boxes
- Replies: 3
- Views: 2322
Hi Matt,
I failing to understand where i am over counting, would you help with any other similar examples?
- by Joepc
Fri Oct 28, 2016 2:40 pm- Forum: Problem Solving
- Topic: Grouping and selecting
- Replies: 9
- Views: 4769
Grouping and selecting
Hi, I got this question from the Magoosh Blog, and the answer to the question[Answer in the last] is Theoretically correct, But I fail to understand where my reasoning has gone wrong Magaoosh Blog Question Link https://magoosh.com/gmat/2015/counting-practice-problems-for-the-gmat/ Question :- A ship...
- by Joepc
Mon Oct 24, 2016 7:39 pm- Forum: Problem Solving
- Topic: Grouping and selecting
- Replies: 9
- Views: 4769
Thanks Erickson,
In the case of Flowers question , I may be overthinking of the possible distinct and identical scenarios
With this interaction i got some great insight in identical and distinct items, And thank you very much for your interest in replying.
- by Joepc
Mon Oct 24, 2016 7:33 pm- Forum: Problem Solving
- Topic: Selecting Identical items
- Replies: 8
- Views: 4056
Thanks Erickson for your Reply. It was a type typo error for the second question it is 4*5*2 = 40 ways For the question There 4 Apples in a Basket ,5 Mangoes in another basket ,2 Kiwis in another basket in a fruit shop and the fruits in the each kind baskets are identical 2)In how many ways I can se...
- by Joepc
Mon Oct 24, 2016 12:44 pm- Forum: Problem Solving
- Topic: Selecting Identical items
- Replies: 8
- Views: 4056
Selecting Identical items
There 4 Apples in a Basket , 5 Mangoes in another basket , 2 Kiwis in another basket in a fruit shop consider each fruits in the basket are of same colour, shape , size and weight another way to say fruits of its kind in the baskets are identical 1)In how many ways I can select at least one fruit 5*...
- by Joepc
Thu Oct 20, 2016 7:52 pm- Forum: Problem Solving
- Topic: Selecting Identical items
- Replies: 8
- Views: 4056
Perms and combination way to solve probability question
HiAll, Please help me in sorting my confusion Question There are 5 green balls, 4 red balls and 6 blue balls What is the probability of getting all three are different colour, when the three balls are picked one after the other without replacement Answer Method 1 :-Perms and comms way Total ways of ...
- by Joepc
Wed Oct 12, 2016 9:37 pm- Forum: Problem Solving
- Topic: Perms and combination way to solve probability question
- Replies: 3
- Views: 1650
Probability Approach to solve a Probability question
Question :- There are 5 green balls, 4 red balls and 6 blue balls
What is the probablility of getting all three are different colour, when the three balls are picked simulatneously
Using Combinatorial approach I can bring the answer to
5C1*4C1*6C1 / 15C3
How to solve this in probability way?
- by Joepc
Wed Oct 12, 2016 8:52 pm- Forum: Problem Solving
- Topic: Probability Approach to solve a Probability question
- Replies: 3
- Views: 1703
Data Sufficiency on Absolute value
The Question:- Is |x-6| >1 Statement 1 |x-4| >2 Statement 2 |x-7|>3 As per the Question stem The Distance from the point 6 to X to be greater than 1 , so when |x-6| is positive (right direction in number line),X can take any value greater than 7(x>7) and When |x-6| is Negative(left direction in numb...
- by Joepc
Wed Sep 07, 2016 12:32 am- Forum: Data Sufficiency
- Topic: Data Sufficiency on Absolute value
- Replies: 1
- Views: 1168