Jambmaths
Maths Question  

Question 49 
X and Y are two events. The probability of X or Y is 0.7 and the probability of X is 0.4. If X and Y are independent. Find the probability of Y 

Question 50 
If U ={x: x is an integer and 1≤ x ≤ 20} E_{1} = {x: x is a multiple of 3} E_{2} = {x: x is a multiple of 4} and an integer is picked at random from U, find the probability that it is not in E_{2}


Question 42 
Teams P and Q are involved in a game of football. What is the probability that the game ends in a draw? 

Question 46 
The distribution of colour of beads in a bowl is given above. What is the probability that a bead selected at random will be blue or white. 

Question 43 
The venn diagram below shows the number of students offering Music and History in a class. What is the probability that he offers Music only 

Question 45 
The probability of a students passing any examination is $\tfrac{2}{3}$. If the student takes three examination. What is the probability that he will not pass any of them 

Question 44 
Two dice are thrown. What is the probability that the sum of the number is divisible by 3 

Question 17 
Some white balls were put in a basket containing twelve red balls and sixteen black balls. If the probability of picking a white ball from the basket is $\tfrac{3}{7}$, how many white balls were introduced. 

Question 20 
The unbiased die is rolled 100 times and the outcome is tabulated as follows
What is probability of obtaining 5? 

Question 24 
A container has 30 gold medals, 22 silver medals and 18 bronze medals. If one medal is selected at random from the container, what is the probability that it is not gold? 

Question 19 
Three boys shard some oranges. The first received $\tfrac{1}{3}$of the oranges and second received $\tfrac{2}{3}$ of the remainder. If the third boy received the remaining 12 oranges, how many oranges did they share? 

Question 32 
A box contains 5blue balls, 3 red balls and 2 white balls. Two balls were selected from the box with replacement. Find the probability of obtaining two blue or two red balls 

Question 35 
What is the probability that an integer x $(1\le x\le 20)$chosen at random is divisible by both 2 and 3 

Question 20 
A bag contains 5 blacks, 4 white and x red marble. If the probability of picking a red marble is $\tfrac{2}{5}$, find the value of x 

Question 21 
The table above shows major GSM operator. What is the probability that a recharge selected at random will be GTN or Qtel 

Question 49 
In a basket, there are 6 grapes, 11 bananas and 13 oranges. If one fruit is chosen at random, what is the probability that the fruit is either a grape or a banana? 

Question 50 
The table above shows the number of pupils in each age group in a class. What is the probability that a pupil chosen at random is at least 11 years old. 

Question 49 
The probability of picking a letter T from the word OBSTRUCTION is 

Question 50 
The result of rolling a fair die 150 times is as summarized in the table below
What is the probability of obtaining a 5? 

Question 49 
The probability of a student passing any examination is $\tfrac{2}{3}$.If the student takes three examinations. What is the probability that he will not pass any of them? 

Question 50 
The table above shows the distribution of marks in a test. Find the probability of passing the test if the pass mark is 5 

Question 50 
If three unbiased coin are tossed, find the probability that they are all heads 

Question 49 
Find the probability that a number picked at random from the set {43, 44, 45,  , , , 60} is a prime number 

Question 50 
In a class of 60 students, 30 offers physics and 40 offers chemistry. If a students is picked at random from the class, what is the probability that the student offer both physics and Chemistry? 

Question 49 
The probability that a student passes a physics test$\frac{2}{3}$. If he takes three physics test, what is the probability that he passes two of the tests? 

Question 50 
The probabilities that a man and his wife live for 80 years are $\tfrac{2}{3}$and $\tfrac{3}{5}$respectively. Find the probability that at least one of them will live up to 80 years 

Question 49 
$\begin{align} & \text{What is the probability that an integer }x\text{ (1}\le \text{x}\le \text{25) chosen at random is divisible by both 2 and 3} \\ & \text{(A) }\tfrac{3}{4}\text{ (B) }\tfrac{1}{25}\text{ (C) }\tfrac{1}{5}\text{ (D) }\tfrac{4}{25} \\\end{align}$ 

Question 50 
A basket contains 9 apples, 8 bananas and 7 oranges. A fruit is picked from the basket, find the probability that it is neither an apple nor an orange 

Question 49 
The table above represent the outcome of throwing a die 100 times. What is the probability of obtaining at least a 4 

Question 50 
A number is chosen at random from 10 to 30 inclusive, what is the probability that the number is divisible by 3 

Question 44 
Two fair dice are thrown at once. What is the probability of getting same face 

Question 48 
A card is picked at random from a pack of 52 well shuffled playing cards. Find the probability of NOT picking a red cards in the pack. If there are 13 red card in the pack 

Question 15 
A box containing10 black, 4 green and 6 yellow pens. What is probability of picking a yellow pen with eyes closed 