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CBSE Class 11-science Answered

plzz help...urgent....

Asked by | 29 Jan, 2012, 12:53: AM

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Answered by | 29 Jan, 2012, 12:04: PM

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CBSE 11-science - Maths

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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CBSE 11-science - Maths

what's the formula of union of 4 sets

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CBSE 11-science - Maths

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?

Asked by vermaaakshat476 | 05 Jun, 2022, 11:27: AM

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CBSE 11-science - Maths

In a group of 10 outstanding student in a school there are six boys and four girls three students are to be selected out of these at random for debate competition find probability that all of them are boys

Asked by sangitakavediya007 | 29 Sep, 2019, 04:10: PM

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CBSE 11-science - Maths

A coin is tossed twice, find the probability of getting atleast one head.

Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM

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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

What is the probability that two friends will have the same birthday?

Asked by Topperlearning User | 12 Aug, 2014, 10:54: 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

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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

What is the number of ways of choosing 4 cards from a pack of 52playing cards? In how many of these(i) Four cards are of the same suit,(ii) Four cards belong to four different suits,(iii) Are face cards,(iv) Two are red cards and two are black cards

Asked by Topperlearning User | 12 Aug, 2014, 10:49: AM

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