Wednesday, 22 February 2017

Maths- Speed And Distance

PROBABILITY EXERCISEQUESTIONS 


1. If a number is chosen at random from the set {1, 2, 3…, 100}, then the probability that the chosen number is a perfect cube is
    a. 1/25         b. 1/2            c. 4/13            d. 1/10  
        
2. What is the probability of getting at least one six in a single throw of three unbiased dice?
    a. 1/6           b. 125/216        c. 1/36         d. 81/216         e. 91/216

3. In a simultaneous throw of two dice, what is the probability of getting a doublet?
    a. 1/6           b. 1/4           c. 2/3            d. 3/7  


4. A bag contains 4 red balls, 5 green balls and 6 white balls. A ball is drawn at
random from the box. What is the probability that the ball drawn is either red or green?
    a. 2/5            b. 3/5           c. 1/5           d. 7/15

5. When 4 dice are thrown, what is the probability that the same number appears on each of them?
      a. 1/36           b. 1/18           c. 1/216         d. 1/5  

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