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Ishitta
Subject: Maths, asked on 16/12/15
The integers from 1 to 1000 are drawn in order around a circle starting at 1 every fifteenth number is marked ( that is 1,16,31.... Etc) this process in continued until a number is reached which has already been marked then find number of unmarked numbers
Ishitta
Subject: Maths, asked on 16/12/15
Six cards are drawn one by one from a set of unlimited number of cards each card is marked with number -1,0,or1number of different ways in which they can be drawn if the sum of the numbers shown by them vanishes is
Ishitta
Subject: Maths, asked on 16/12/15
A batman scores exactly a century by hitting fours andd sixes in twenty consecutive balls . In how many different ways can he do it if some balls May not yield runs and the order of boundaries and verboundariesare taken in account
Ishitta
Subject: Maths, asked on 16/12/15
An user of Facebook which is two or more days older can send a friend request to some one to join Facebook if initially there is one user on day one then find a recurrence relation for an where an is number of users after n days
Ishitta
Subject: Maths, asked on 16/12/15
In how many ways can 2n+1 identical balls be placed in 3 distinct boxes so that any two boxes together will contain more balls than the third box
Ishitta
Subject: Maths, asked on 16/12/15
Find no of ways in which n 1 and n 2 can be arranged in a row so that upto any point in the row no. Of 1 is more than or equal to no of 2
Ishitta
Subject: Maths, asked on 15/12/15
Two players of equal skills a and b are playing a set of game, they leave off playing when a wants 3 points and b wants 2 if the stake is rs16what share ought each to take
Ishitta
Subject: Maths, asked on 15/12/15
Urn a contains 6 red and 4 black balls and b contains 4 red and 6 black balls .one ball is drawn at random from urn a and placed in urn b then one ball is drawn at random from urn b and placed in a .if one ball is now drawn at random from urn a then find the probability that it is red
Ishitta
Subject: Maths, asked on 15/12/15
Suppose that s be the set of all ordered 4 tuplets(x,y,z,w) of the positive integers which are the solutions of x+y+z+w=21 .one such ordered tupleof solutions is selected at random from s .then find the probability that x>y
Ishitta
Subject: Maths, asked on 14/12/15
On a particular day six persons pick six different books one each from different counters at a public library . At closing time they arbitrarily put their books to the vacant counters . Then find the probability that exactly two books are at their previous places
Ishitta
Subject: Maths, asked on 14/12/15
If a and b has n+1 and n fair coins . Then find the probability that a gets more heads than b
Ishitta
Subject: Maths, asked on 14/12/15
A mapping is selected at random from all the mapping defined on the set a consisting of three distinct elements . Then find the probability that mapping selected one to one
Ishitta
Subject: Maths, asked on 14/12/15
A fair coin is tossed 8 times then find the probability that resulting sequence of heads and tails looks the same when viewed from beginning or from the end
Ishitta
Subject: Maths, asked on 14/12/15
- a bear hides itself either behind a bush a with the probability 9/25 or behind bush b with probability 16/25 . A hunter have 5 bullets each of which can be fired either at bush a or b . Hunter hits each target independently with an accuracy of 1/4 . How many bullets con be fired at bush a yo hit the bear the maximum probability
- a bear hides itself either behind a bush a with the probability 9/25 or behind bush b with probability 16/25 . A hunter have 5 bullets each of which can be fired either at bush a or b . Hunter hits each target independently with an accuracy of 1/4 . How many bullets con be fired at bush a yo hit the bear the maximum probability
Ishitta
Subject: Maths, asked on 14/12/15