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Syllabus

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

^{2}-4ac>0 is what?find the probability of gettin 53 fridays in a leap year

What is the meaning of unbiased die

The letters of the word LUCKNOW are arranged among themselves. Find the probability of always having NOW in the word?

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...!!

read the passage and answer.

there is a cube in which one pair of opposite faces is painted red, another pair of opposite sides is painted blue and third pair of opposite sides is painted pink.

this cube is now cut into 216 smaller but identical cubes

questions.....

1. how many small cubes will be there with no red paint at all?

a)121 b)144 c)169 d)100

2.how many small cubes will be there with at least two different colours on thier faces?

a)49 b)64 c)56 d)81

3. how many small cubes will be there without any face painted?

a)64 b)49 c)36 d)25

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.

(2)different birth days?

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?

Out of which 35 are males and 15 are females.

What is the probability of a female candidate being selected.

(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

seconds. All three flash together at 8:00 am. When will these three bulbs flash together

again?

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?

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 .

In a class of 50 students, there are 18 girls and 32 boys. Of these students, 20 are vegetarians and rest non vegetarians amf twelve of the vegetarians are boys. If a student is chosen at random, what is the probability of

A) Choosing a girl?

B) Choosing a non vegetarian student?

c) Choosing a boy student who is non vegetarian?

D) Choosing a girl who is vegetarian?

Out of 300 students in a school, 95 play cricket only, 120 play football only, 80 play volleyball only and 5 play no games. If one student is chosen at random, find the probability that

(i) he plays volleyball

(ii) he plays either cricket or volleyball

(iii) he plays neither football nor volleyball

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.

Find the probability that a Leap Year has

i) 52 sundays ii)53 sundays

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 jar contains blue and green marbles The number of green marbles is 5 more than twice the number of blue if probability of drawing a blue one at random is 2/7 , how many blue and green marbles are there in the jar

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

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?

(i) The distance between the two flags is

(a) 2 73 units (b) 3 73 units ( c) 273 units (d) 73 units

(ii) If Reena has to post the flag exactly halfway between the line segment joining the two flags, the coordinates where she should post her flag are:

(a) 2,40) ( b) 2,30) ( c) 5,32) ( d) 10,64)

(iii) The coordinates where Shruti posts her flag are:

(a) 2,40 ) (b) 40,2) ( c) ( 2,30) d(3,40)

(iv) The coordinates where Saanvi posts her flag are:

(a) 3,40) (b) 24,8) ( c) 5,32) (d) 8,24)

(v) If Suman post her flag at the position (5,10) , then the distance ofher flag from the origin is :

(a) 2 5 units (b) 3 5 units ( c) 5 5 units (d)none of these

what is da probability that a leap year have 53 tuesdays?

if probability of success is 0.5%,then the probability of failure is:

(a)0.95 (b)0.095 (c)99.5 (d)0.995

plz explain the answer

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

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=?

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

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.

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

Sita has 4 different and simmi has 7 different toys. Number of ways in which they can exchange their toys so

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

how we know the possible outcomes of tossing 3 coins i didnt understand hhh ttt etcc plzz fast

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..??anita,sita,gita and rita are 4 friends .What is the probability that(in a non-leap year)

1)all will have same birthday

2) their birthday falls in the month of october.

3) their bday falls on the 10th day of the month

4) their birthday falls in january and february

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

in a garden ,60% of the flowers are lilies and the rest are roses.if 1/5 of the roses and 1/10 of lilies are white,find the probability that flower selected at random is:

-white lily

-rose

-white rose

-lily

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

11. Cards numbered 2,3, 4, 5, 6, -------,49 are put in a box and mixed thoroughly. If one card is drawn at random

Find the probability that the number on the card is

a) Even number

b) prime number

c) Divisible by 6

d) A perfect square

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?

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

(i) different birthdays

(ii) same birthdays

a) What is the probability that the sum of two integers will be odd?

b) What is the probability that the sum of two integers will be multiple of 5?

c) What is the probability that the sum of two integers will be greater than 11?

Please reply fast........

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

(1) divisible by 9

(2) a perfect square number

A triangular target with sides measuring 5cm , 12cm and 13cm is drawn on a square board with side 20 cm.

find the probability that a dart hitting the board hits the target .

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

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?

4. A card is drawn from a well shuffled deck of cards

In a family with two children, what is the probability that both are boys.

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

Two friends were born in the year 2000 . What is the probability that they have the same birthday ?

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

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 =?

what do we mean by complementery events?

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.

Q3. Find the distance between the points (a cos 45°, 0) and (0 , a cos 45°)

Q5. A number X is chosen from the numbers –5, –4, –3, –2, –1, 0 , 1, 2, 3, 4, 5. What is the provability that 1 x 1 < 4?

Q10. If Cos A – sin A = 1, prove that Cos A + sin A = $\pm $1.

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.

From a bag containing 60 standard and 40 substandard articles, two articles are chosen at random. What is the probability that one of them is standard and the other substandard ?

If 29 is removed what is the probability of getting a prime number.

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).

Q. From a well shuffled deck of 52 cards.few cards of same colour are missing if probability of red cards is 1/3 and probability of black cards is 2/3.Then which colour of cards are missing and how many??? pls. tell me....