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CBSE Class 11-science Answered

All cards of ace, jack and queen are removed from a deck of playing cards. One card is drawn at random from the remaining cards, find the probability that the card drawn is a face card.
Asked by Topperlearning User | 12 Aug, 2014, 11:01: AM
answered-by-expert Expert Answer

Answered by | 12 Aug, 2014, 01:01: PM

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CBSE 11-science - Maths
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there are 3 clubs A,B,C in atown with 40,50 and 60 members respectively .10 people are members of all three clubs 70are the members only in one club ,then find the number of members who have membership of exactly two clubs
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Two cards are drawn at random from a pack of 52 cards one-by-one without replacement. What is the probability of getting first card red and second card Jack?
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CBSE 11-science - Maths
Find the probability that when 7 cards are drawn from a well shuffled deck of 52 cards, all the aces are obtained.
Asked by Topperlearning User | 12 Aug, 2014, 11:44: AM
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CBSE 11-science - Maths
All cards of ace, jack and queen are removed from a deck of playing cards. One card is drawn at random from the remaining cards, find the probability that the card drawn is a face card.
Asked by Topperlearning User | 12 Aug, 2014, 11:01: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Maths
An administration assistant is given three letters written for three different people. He is also given three addressed envelopes in which to put them and mail them to three people X, Y and Z. What is the probability that atleast one person out of X, Y and Z got the letter written to him.
Asked by Topperlearning User | 12 Aug, 2014, 11:47: AM
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CBSE 11-science - Maths
From the digits 0, 1, 3, 5 and 7, number greater than 5000 but of 4 digits are formed. What is the probability that the number formed is divisible by 5, if(i) The digits are repeated (ii) The digits are not repeated
Asked by Topperlearning User | 12 Aug, 2014, 11:56: AM
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CBSE 11-science - Maths
(i)A box contains 10 red marbles, 20 blue marbles and 30 green marbles. 5 marbles are drawn from the box, what is the probability that(i) all will be blue? (ii) atleast one will be green?(ii) 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 3)
Asked by Topperlearning User | 12 Aug, 2014, 11:50: AM
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CBSE 11-science - Maths
The odds in favour of an event are 3 : 5. Find the probability of occurrence of this event.
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