Recent questions tagged bookproblem

The sum of $5$ and $7$ is greater than $10$. Is this a statement? Give reason.

asked Jul 3, 2014 by rvidyagovindarajan_1

1 answer

Mathematics is difficult. Is this a statement? Give reason

asked Jul 3, 2014 by rvidyagovindarajan_1

1 answer

There are $35$ days in a month. Is this sentence a statement? Give reason.

asked Jul 3, 2014 by rvidyagovindarajan_1

1 answer

If four digit numbers greater than 5000 are randomly formed from the digits 0,1,3,5 and 7,what is the probability of forming number divisible by 5 when repetition of digits is not allowed.

asked Jul 3, 2014 by sreemathi.v

1 answer

If four digit numbers greater than 5000 are randomly formed from the digits 0,1,3,5 and 7,what is the probability of forming number divisible by 5 when the digits are repeated ?

asked Jul 3, 2014 by sreemathi.v

1 answer

From the employees of a company ,5 persons are selected to represent them in managing committee of the company.Particulars of five persons are as follows :

asked Jul 3, 2014 by sreemathi.v

1 answer

A and B are two events such that P(A)=0.54,P(B)=0.69 and $P(A\cap B)=0.35$.Find $P(B\cap A')$

asked Jul 2, 2014 by sreemathi.v

1 answer

A and B are two events such that P(A)=0.54,P(B)=0.69 and $P(A\cap B)=0.35$.Find $P(A\cap B')$

asked Jul 2, 2014 by sreemathi.v

1 answer

A and B are two events such that P(A)=0.54,P(B)=0.69 and $P(A\cap B)=0.35$.Find $P(A'\cup B')$

asked Jul 2, 2014 by sreemathi.v

1 answer

A and B are two events such that P(A)=0.54,P(B)=0.69 and $P(A\cap B)=0.35$.Find $P(A\cup B)$

asked Jul 2, 2014 by sreemathi.v

1 answer

Three letters are dictated to three persons and an envelope is addressed to each of them,the letters are inserted into the envelopes at random so that each envelope contains exactly one letter.Find the probability that at least one letter is in its proper envelope.

asked Jul 2, 2014 by sreemathi.v

1 answer

Out of 100 students,two sections of 40 and 60 are formed.If you and your friend are among the 100 students,what is the probability that,you both enter the different sections?

asked Jul 2, 2014 by sreemathi.v

1 answer

Out of 100 students,two sections of 40 and 60 are formed.If you and your friend are among the 100 students,what is the probability that,you both enter the same section

asked Jul 2, 2014 by sreemathi.v

1 answer

In a certain lottery 10,000 tickets are sold and ten equal prizes are awarded.What is the probability of not getting a prize if you buy ten tickets

asked Jul 2, 2014 by sreemathi.v

1 answer

In a certain lottery 10,000 tickets are sold and ten equal prizes are awarded.What is the probability of not getting a prize if you buy two tickets

asked Jul 2, 2014 by sreemathi.v

1 answer

In a certain lottery 10,000 tickets are sold and ten equal prizes are awarded.What is the probability of not getting a prize if you buy one ticket

asked Jul 2, 2014 by sreemathi.v

1 answer

A die has two faces each with number 1,three faces each with number 2 and one face with number 3.If die is rolled once,determine P(not 3)

asked Jul 2, 2014 by sreemathi.v

1 answer

A die has two faces each with number 1,three faces each with number 2 and one face with number 3.If die is rolled once,determine P(1 or 3)

asked Jul 2, 2014 by sreemathi.v

1 answer

A die has two faces each with number 1,three faces each with number 2 and one face with number 3.If die is rolled once,determine P(2)

asked Jul 2, 2014 by sreemathi.v

1 answer

4 cards are drawn from a well shuffled deck of 52 cards.What is the probability of obtaining 3 diamonds and one spade?

asked Jul 2, 2014 by sreemathi.v

1 answer

A box contain 10 red marbles,20 blue marbles and 30 green marbles.5 marbles are drawn from the box.What is the probability that atleast one will be green?

asked Jul 2, 2014 by sreemathi.v

1 answer

A box contain 10 red marbles,20 blue marbles and 30 green marbles.5 marbles are drawn from the box.What is the probability that all will be blue?

asked Jul 2, 2014 by sreemathi.v

1 answer

In a class of 60 students,30 opted for NCC,32 opted for NSS and 24 opted for both NCC and NSS.If one of these student students is selected at random,find the probability that the student has opted NSS but not NCC

asked Jul 2, 2014 by sreemathi.v

1 answer

In a class of 60 students,30 opted for NCC,32 opted for NSS and 24 opted for both NCC and NSS.If one of these student students is selected at random,find the probability that the student has opted for neither NCC or NSS

asked Jul 2, 2014 by sreemathi.v

1 answer

In a class of 60 students,30 opted for NCC,32 opted for NSS and 24 opted for both NCC and NSS.If one of these student students is selected at random,find the probability that the student opted for NCC or NSS

asked Jul 2, 2014 by sreemathi.v

1 answer

The probability that a student will pass the final examination in both English and Hindi 0.5 and the probability of passing neither is 0.1.If the probability of passing the english examination is 0.75.What is the probability of passing the hindi examination?

asked Jul 2, 2014 by sreemathi.v

1 answer

In an entrance test that is graded on the basis of two examinations,the probability of a randomly chosen student passing the first examination is 0.8 and the probability of passing the second examination is 0.7.The probability of passing atleast one of them is 0.95.What is the probability of passing both?

asked Jul 2, 2014 by sreemathi.v

1 answer