Q.1 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 (i)P(2) (ii)P(1 or 3) (iii) P(not)
Q.2 On her vacations Veena visits four cities (A,B,C and D) in a random order. What is the probability that she visit
(i) A before B? (ii) A before B and B before C ? (iii) A first and B last? (iv) A either first or second ?
Q.3 A dies is thrown once. What is the probability of getting a number 3 or 4 ?
Q.4 Three coins are tossed together . find the probability of getting:
(i)exactly two heads (ii)at least two heads (iii) at least one head and one tail.
Q.5 In a simultaneous throw of a pair of dice, find the probability of getting
(i) 8 as a sum (ii) a doublet of Odd number
(iii)an even number on first (iv) a sum more than 9
(v)a sum less than 8 (vi) a doublet of prime number
(vii) an even number on one and a multiple of 3 on the other.
(viii) neither 9 nor 11 as the sum of the number on the faces.
Q.6 A cards is drawn from a well shuffled deck of playing cards. find the probability that the card drawn is
(i)a cards of spade or an ace (ii)a red king
(iii) Neither a king nor a queen (iv)either a king or a queen
(v) face card (vi)a red face card
Q.7 What is the probability that a leap year has 53 Sundays and 53 Mondays?
Q.8 In a school admission by lottery system ,student name will write in a card sheela ,munni ,chameli, chandni, janu, janvi, simran, sakshi, rohini, roshni, shalu, sheelu, mehak, pappu, find the probability getting :(i)getting name ending with ‘I’ (ii) getting contain at least 2 vowel(iii) getting starting ‘s’ and ending ‘u’
Q.9 Find the ratio of probabilities for A and ‘not A’ if P(A)= m/n.
Q.11 its table of casino one balls will be thrown find
The probability getting :(i)getting even number
(ii)getting area of even number
Q.12 A coin tossed 4 times write all possible outcome
Q.13 If a coin tossed 120 time find total possible outcome
Q.15 Two dies are thrown simultaneously find the getting probability of a total at 10 .
Q.16.Find the total outcome of dices thrown in 50 times .
parallogram .A ball thrown has thrown find
the probability getting of area
(i)in the equilateral if side = 4cm (ii)in the trapezium if parallel side a&b height h and circle radius at r cm
Q.18 In the bag ‘5’ red balls and ‘n’ green ball.if P(green)= 3 X P(red)the find the value of ‘n’.
Q.19 A number is choosing x from 1,2 and 3 and another number ‘y’ from 1,4and 9.find the probability getting of product x and y at least 9.
Q.20 The probability get a match won is x/12 .if probability get lose this match is 1/3. Find the value of X.
Q.21 The cost of 80 rupees divided into 2rupees and 5rupees coin in total coin 28. Find the probability getting choosing 2 rupees coin.
Q.22 What is the probability that a leap year has 53 Sunday and 53 Mondays ?
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