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Syllabus

what is the probability that a non leap has 53 sundays?

(a) dependent

(b) independent

(c) mutually exclusive

(d) none of these

( with explanation)

find the probability of gettin 53 fridays in a leap year

(a) P(A)>1 (b) 0<P(A)<1

(c) 0<P(A)≤1 (D) 0≤P(A)≤1

What is the meaning of unbiased die

which of the following can be the probability of an event?

(a)-0.04 (b)1.004 (c)18/23 (d)8/7

One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting

(i)a king of red colour

(ii) a face card

(iii) a red face card

(iv) the jack of hearts

(v) a spade

(vi) the queen of diamonds

Help guys...!!

A die is thrown once. Find the probability of getting

(i) a prime number;

(ii) a number lying between 2 and 6;

(iii) an odd number.

The odds against a husband who is 45 years old, living till he is 70 are

7:5 and the odds against his wife who is now 36, living till she is 61

are 5:3 . Find the probability that a) the couple will alive 25 years hence

b) exactly one of them will be alive 25 years hence c) none of them will

be alive 25 years hence d) at least one of them will be alive 25 years

hence

a bag contains 5 red balls and some blue balls . if the probability of drawing a blue ball is double that of red ball, determine the number of blue ball in the bag

what is the probability that a leap year has 53 sundays and 53 mondays?

(i) a card of spades or an ace (ii) a red king (iii) neither a king nor a queen (iv) either a king or a queen

A die is thrown twice. What is the probability that

(i) 5 will not come up either time?

(ii) 5 will come up at least once?

(A) -0.05 (B) 1.005 (C) 18/23 (D) 9/7

Three coins are tossed simultaneously . What is the probability of getting :

i) two heads ?

ii) at most one head ?

iii) atleast two heads ?

iv ) at most two heads ?

please solve the query soon . Thank you .

A question paper had 10 questions.Each question could only be answered as True(T) or False(F).Each candidate answered all questions. Yet , no two candidates wrote the answers in an identical sequence.How many different sequences of answers are possible ?

a 20

b 40

c 512

d 1024

(IAS-PRE-2010)

(a)0≤q≤1 (b)0<q≤1 (c)0<q<1

Experts also

explain the steps of the answer.A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears

(i) a two-digit number

(ii) a perfect square number

(iii) a number divisible by 5.

(2)different birth days?

Find the probability that a Leap Year has

i) 52 sundays ii)53 sundays

107. In the given figure, PB = AB=4 cm, BC= 12 cm then AC is

(A) 10 cm (B) 8 cm (C) 6 cm (D) 14 cm

108. A rectangular field is 220 meter long and 80 meter in breadth and there is a circular park of radius 35 meter. If two person plans to meet in the field what is the probability that they will meet in the park ?

$\left(\mathrm{A}\right)\frac{7}{32}\left(\mathrm{B}\right)\frac{1}{80}\left(\mathrm{C}\right)\frac{1}{4}\left(\mathrm{D}\right)\mathrm{None}\mathrm{of}\mathrm{these}$

109. A square region ABCD divided into 3 strips of same height by the lines EF & HG Let E is joined to B & F to D. If the marble is dropped in ABCD the probability that it will drop in the quadrilateral BFDE is.

$\left(A\right)\frac{1}{2}\left(B\right)\frac{1}{3}\left(C\right)\frac{1}{4}\left(D\right)\frac{2}{3}$

In a family of 3 children the probability of having at least one boy

find the probabilty of getting 53 mondays in a leap year , 53 tuesdays in a non leap year.

A can build a wall in 30 days, while B alone can build it in 40 days. If they build it together and get a payment of Rs 7000, what is b's share?

two dice are thrown at the same time .find the probability of getting different numbers on both dice?

a ) 1/5 b ) 0.3 c) 4 % d) 5/4.

Two customers are visiting a particular shop in the same week (monday to saturday). Each is equally likely to visit the shop on any one day as the other. what is the probability that both will visit the shop on the

i)same day

ii)different day

iii)consecutive days

A dice has its six faces marked 0,1,1,1,6,6. 2 such dice are thrown together and total score is recorded.. (a) how many different scores are possible..(b) probability of getting a total of 7?

^{2}-4ac>0 is what?what is da probability that a leap year have 53 tuesdays?

Find the probability that a leap year selected at random will contain 53 sundays

What is the probability of getting a number between 1 and 100 which is divisible by 1 and itself only ? (itmeans prime nos. but then how do you find all theprime nos. all the way from 1 to 100.....do u sit and go through all the nos one by one? )

A box contains 12 balls out of which x are black. If one ball is drawn at random from

the box, what is the probability that it will be a black ball ? If 6 more black balls are put in

the box, the probability of drawing a black ball now is double of what it was before. Find x.

the probability of guessing the correct answer to a certain question is x/12 ..If the probability of not guessing the correct answer is 2/3 ,then x=?

Two customers Neha and Nacny are visiting a particular shop in the same week(monday-friday). Each is equally likely to visit the shop on any day as on another day. What is the probability that both will visit the shop on :

1. the same day ?

2. the consecutice days ?

3. the different days ?

One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting:

a) black and a king

b) spade or an ace

c) neither an ace nor a king

d) neither a red card nor a queen

e) other than an ace

f) a ten

g )the seven of clubs

h) the ace of spades

Two customers Shyam and Ekta are visiting a particular shop in the same week

All kings ,queens and aces are removed from a pack of 52 cards . The remaining cards are well shuffled and a card is drawn from it . Find the probability that the drawn card is

(A) a black face card

(B) a red card

what is meaning of 'doublet' in this question: 2 dice are thrown simultaneously.find the p(getting a DOUBLET).

pl explain step by step properly..

Two dice are thrown together. What is the probability of getting a doublet ?

Plzz answer me as fast as possible, do tell me what doublet means..??A bag contains 8 red balls and x blue balls, the odd against drawing a blue ball are

Two dice are thrown simultaneously. Find the probability of getting a doublet.

Q4). Probability of trains A, B and C arriving on times is $1/3,2/5and2/3$ respectively. What is the probability that almost one of the trains arrive on time?

(a) 7/15

(b) 22/45

(c) 23/45

(d) None of these

What is the Probability that an ordinary year has 53 Sundays?

(Plz answer as fast as u can...)

A game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers 1, 2, 3, 4, 5, 6, 7, 8 (see the given figure), and these are equally likely outcomes. What is the probability that it will point at

(i) 8?

(ii) an odd number?

(iii) a number greater than 2?

(iv) a number less than 9?

Q. The faces of a dice are marked with numbers 1, 1, 2, 4, 5, 5 and that of another dice with 2, 3, 4, 5, 6, 6. Both dice are thrown together once. What is the probability that the sum of numbers on their top is even ?

(1) $\frac{1}{6}$

(2) $\frac{1}{3}$

(3) $\frac{2}{9}$

(4) $\frac{4}{9}$

the probability of getting a number between 1 and 100 which is divisible by 7 is ___?

two different dice are thrown at the same time. find the probability that the sum of the two numbers appearing on the top of the dice is 7.

From a well shuffled pack of 52 cards, two black kings and two black jacks are removed.From the remaining cards a is drawn at random.Find the probability that drawn card is neither an ace nor a king.

an integer is chosen between 0 and 100 what is the probability that it is :

(1) divisible by 9

(2) a perfect square number

Find the probability that a number selected at random from the numbers 1, 2,3,……… 34, 35 is

a) a prime number b ) is a multiple of 7 c ) a multiple of 2 and 5 d) a multiple of 2 or 3

1. P(hitting a four)

2. P(single run)

3. P(no run)

Suppose you drop a die at random on the rectangular region shown in the given figure. What is the probability that it will land inside the circle with diameter 1 m?

a) How many outcomes are possible when letter taken out of the bag?

b) What is the probibility of getting :-

1) M

2) Any value

3) Any consonant

4) X

a) Exactly two heads

b) At least two tails

c) At most two tails

a bag contains 6 red balls and some blue balls. if the probability of drawing a blue ball from the bag is twice that of a red ball , find the number of blue balls

wht does

'at most one headorat most one tail'means and 'at least one head but at most one tailorat least one head but at most two heads' means...plz..ans.fastTwo friends were born in the year 2000 . What is the probability that they have the same birthday ?

a) What is the probability of people going by motorcycles?

b) One day they all decided to go by cars but a car can accommodate only 5 people. What is the probability of people not going by cars now?

d) Which value is shown in 'b'.

A number is selected at random from first 50 natural numbers. Find the probability that it is multiple of 3 and 4.

An open cylindrical vessel of internal diameter 7 cm and height 8cm stands on a horizontal table. Inside this is placed a solid cone , the diametr of whose base is 7/2 cm and height 8cm. Find the volume of water required to fill the vessel. If the cone is replaces by another cone, the radius of whose base is 2 cm and height 7/4 cm, find the drop in the water level.

ans:-847/ cubic cm. and 10/21 cm

two dice are thrown together . find the probability of that the product of the numbers on the top of the dice is (a)6 (b)12 (c( 7

If a number x is chosen at random from the numbers 1,2,3 and the number y is selected from 1,4,9 ,then P(xy<9) is =?

a card is darawn from apack of 52 cards. find

1)neither a heart nor aking

2) naither a ace nor a king

3) neither a red nor a queen.

Experts I want the answer in detailed steps, so that I can understand it better..

The link you sent me for the last time did not have the detailed steps.

a circular target of radius 11 cm consists of an inner circleof radius 5 cm and three concentric circles of radii 7cm, 9cm and 10 cm dividing the target into four regions. If a shot hit the target find the probability of hitting each region. If you shoot target 121 times, what is your expectation? How can you improve your performance?

A jar contains 24 marbles, some are green and others are blue. If a marble is drawn at random from the jar, the probability that it is green is. Find the number of blue balls in the jar.

In a one day cricket match,Sachin played 40 balls and hit 12 sixes and saurav played 30 balls and hit 9 fours.Find the probability that Sachin will hit a six in the next ball and also find the probability that saurav will not hit a four in the next ball.

Pls explain me: cards marked with numbers 1,3,5....101 are placed in a box and mixed thoroughly.one card is drawn at random from the box.find the p(that the number on the drawn card is i)divisible by 5 ii)a perfect square iii)a prime number less than 30).