There are two boxes, one containing 10 red balls and the
other containing 10 green balls. You are allowed to move the
balls between the boxes so that when you choose a box at
random and a ball at random from the chosen box, the
probability of getting a red ball is maximized. This maximum
probability is??
a)37/38
b)14/19
c)3/4
d)½
Answers were Sorted based on User's Feedback
Answer / sumit kumar
Take one red ball in 1st bag.
put the remaining nine red ball with 10 green ball in other bag
prob of red ball inn ist bag=1/2
prob of red in other bag=(1/2)*(9/19)
the req prob=p(A)+p(B)
=1/2+9/38
=28/38
=14/19
| Is This Answer Correct ? | 122 Yes | 19 No |
Answer / pakhi
this is for Anusha. Mathematics is not for dumb heads like
u. plz donot try to abuse mathematics. according to me u r
a bal.
| Is This Answer Correct ? | 6 Yes | 4 No |
Answer / tins
pakhi: dn't demorolize sm one, plz consult a psychatrist, ur
mental situation is n't gud,
Anusha: u hav asked a gud question, but in d ques given
above, asked for maximum probablity, which can only b
achieve by transvrng n-1 balls, where n is the bal in a bag.
| Is This Answer Correct ? | 5 Yes | 3 No |
Answer / anusha
why shud we keep only 1 ball in 1st box we can take 2 balls
in 1st nd move 8 red balls to 2nd box thn the answer
changes........no suuficient data in the question
| Is This Answer Correct ? | 2 Yes | 14 No |
At 20% discount, a cycle is sold at a selling price of 2500 Rs. What is the actual price?
0 Answers BPCL Bharat Petroleum, Sonata,
A 2D array is declared as A[9,7] and each element requires 2 byte.If A[ 1,1 ] is stored in 3000. Find the memory of A[8,5] ?
i need old exam papers for SBI clerical grade written test
3 Answers Bank Of India, Scientific Publishing Services, State Bank Of India SBI, TATA,
I make a folder in my comp. system. It having number of file (word, excel, p.point etc) how can protect complete folder.
A sequence is given. You should find out error & write correct answer. 1 2 5 10 13 26 29 48.
Side of rhombus is 5cm and sum of lengths of diagonals is 12cm. what is the area of rhombus?
Information about projects iniliated by the govt?
sir,please give question bank in SBI clerical post question in my email id-ks_chitradevi@yahoo.com
0 Answers State Bank Of India SBI,
Consider the sequence of numbers a1, a2, a3, ..... to infinity where a1 = 81.33 and a2 = -19 and aj = aj-1 -aj-2 for j ≥ 3. What is the sum of the first 6002 terms of this sequence?
There are 5 red shoes, 4 green shoes. If one draws randomly a shoe what is the probability of getting red shoe is ?
One of the longest sides of the triangle is 20 m. The other side is 10 m. Area of the triangle is 80 m2m2. What is the another side of the triangle?
a man buy a liquid by 12 lts and the mixture is of 20% liquid in water then he makes it in 30% mixture then what is the % of liquid with water.