If two cards are taken one after another without replacing
from a pack of 52 cards what is the probability for the two
cards be queen.
- 6 Answers
- 14387 Views
- BFL, Cadence, I also Faced
- E-Mail Answers
Answer Posted / rajkumar
we hav to take two cards from a pack of 52 cards
n(s)=52C2 (ie) 52*51/2*1
= 1326
the event given is the probability that both are queens so that
n(E)= 4C2 (ie) 4*3/2*1
=6
P(E)=n(E)/n(S)
=6/1326
=1/221
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
One clock rings 7 O'clock in 7 sec.In how many seconds it will ring 10 O'clock.
Supposing a clock takes 7 seconds to strike 7. How mlong will it take to strike 10?
Asian paints takes a contracts to paint 3 houses. Mr. White can paint a house in 6 days while Mr.Blue would take 8 days and Mr.Red 12 days. After 8 days Mr.White goes on a holiday and Mr. Blue begins to work for a period of 6 days. How many days will it take Mr.Red to complete the work?
Argentina had football team of 22 player of which captain is from Brazilian team and goalie from European team. For remaining player they have picked 6 from argentine and 14 from European. Now for a team of 11 they must have goalie and captain so out of 9 now they plan to select 3 from Argentinean and 6 from European. Find out no of methods available for it. (2 marks)
If Dev walks 30 miles/hr. he reaches 1 hour before and if he walks with a speed of 20 miles/hr. he reach 1 hour late. Find the distance between 2 points and the exact time of reaching destination is 11 am then find the speed with which he walks.
in the year 1990 there are 5000 men 3000 women 2000 boys .in 1994 men are increased by 20% women are increased by ratio of boys and women
quants,logical,verbal
in how many ways can a lock be opened if that lock has three digit number lock if the last digit is 9 and sum of the first two digits is less than or equal to the last digit. numbers are from 0-9
If wind flows 160 miles in 330 min, for 80 miles how much time required.
If A = x3y2x3y2 and B=xy3xy3, then find the HCF of A, B
How many ewes (female sheep) in a flock of 50 sheep are black? 1. There are 10 rams (male sheep) in the flock. 2. Forty percent of the animals are black. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question each statement alone is sufficient statements 1 and 2 together are not sufficient, and additional data is needed to answer the question
There are two natural numbers. A cube difference of the squares is a square difference of their cubes.These are the smallest possible numbers. what is the sum of these numbers?
Ms. Anurag Awasthi deposits an amount of Rs. 56500 to obtain a simple interest at the rats of 12% p.a. for 3 years. What total amount will Mr. Anurag Awasthi get at the end of 3 year?
Imagine 4 persons A,B,C,D.(It is a strength determining game). A found it hard,but could pull 'c' and 'd' to his side. AC and BD pairs on opposite sides found themselves equally balanced. When A and B exchanged their positions to form pairs AD and BC ,BC pair could win and pull AD to their side.Order the 4 persons in Ascending order according to their strengths.
Given the length of the 3 sides of a triangle.Find the one that is impossible? (HINT : sum of smaller 2 sides is greater than the other one which is larger)
