##### Get a free home demo of LearnNext

Available for CBSE, ICSE and State Board syllabus.
Call our LearnNext Expert on 1800 419 1234 (tollfree)
OR submit details below for a call back

clear
Finding exercises tough? Install LearnNext+ app to watch our videos and get a crystal clear understanding of concepts Install Now X
X

Install the app to watch our videos and get a crystal clear understanding of concepts

Install Now
searchtune

Anubhav Singh

Feb 24, 2015



Anubhav Singh

Nov 4, 2014



Anubhav Singh

Dec 30, 2014

#### In a hand at whist, what is the probability that 4 aces are held by a player ???? P.S. Answer : 11/4165



Sol:
In a hand of whist, the player have 13 cards.

According to the question, In which the player has 4 aces then he should have 9 cards of other type.

∴4 aces can be ...

George Jacob

Sep 22, 2013



deepak

Feb 17, 2014

#### According to band theory what's definition of conducter,semconducter & nonconducter



"Thank you for contacting LearnNext.

Anithasoundar Soundar

Mar 20, 2017

#### In a shop X ,30 tins of pure ghee and 40 tins of adulterated ghee which look alike ,are kept for sale while in shop Y ,similar 50 tins of pure ghee and 60 tins adulterated ghee are there .one tin of the ghee is purchased from one of the randomly selected shops and is founfd to be adulterated . Find the probability that it is purchased from shp Y .what measures should be taken to stop adulteration.



Shop A contains 30 pure ghee container and 40 adultered container.
Hence the probability of adultered ghee container is=40/70=4/7

Shop B contains 50 pure ghee container and 60 adul...

Premnath Singh

Aug 10, 2013

#### what is the formula used in probability sir?



Probability of an event:
For a finite sample space with equally likely outcomes, probability of an event P(A) = n(A)/n(S), where n(A) = number of elements in the set A and n(S) = number ...

Meghana

Aug 13, 2013



Anubhav Singh

Feb 24, 2015



Anubhav Singh

Nov 4, 2014



Anubhav Singh

Dec 30, 2014

#### In a hand at whist, what is the probability that 4 aces are held by a player ???? P.S. Answer : 11/4165



Sol:
In a hand of whist, the player have 13 cards.

According to the question, In which the player has 4 aces then he should have 9 cards of other type.

∴4 aces can be ...

George Jacob

Sep 22, 2013



deepak

Feb 17, 2014

#### According to band theory what's definition of conducter,semconducter & nonconducter



"Thank you for contacting LearnNext.

Anithasoundar Soundar

Mar 20, 2017

#### In a shop X ,30 tins of pure ghee and 40 tins of adulterated ghee which look alike ,are kept for sale while in shop Y ,similar 50 tins of pure ghee and 60 tins adulterated ghee are there .one tin of the ghee is purchased from one of the randomly selected shops and is founfd to be adulterated . Find the probability that it is purchased from shp Y .what measures should be taken to stop adulteration.



Shop A contains 30 pure ghee container and 40 adultered container.
Hence the probability of adultered ghee container is=40/70=4/7

Shop B contains 50 pure ghee container and 60 adul...

Premnath Singh

Aug 10, 2013

#### what is the formula used in probability sir?



Probability of an event:
For a finite sample space with equally likely outcomes, probability of an event P(A) = n(A)/n(S), where n(A) = number of elements in the set A and n(S) = number ...

Meghana

Aug 13, 2013