3; There are 10 red marbles, 30 white marbles and 20 black marbles in a bag. What is the probability that you take out a marbel and it will be red or white
4: Given Net price of shirt = $20 , Discount = 10% , find List price
5: If a dice is thrown what is the chance of getting an odd number or a number divisble by
three?
6: Two firms compete for contracts.
A has probability of ¾ of obtaining one contract.
B has probability of ¼.
What is the probability that when they bid for two contracts, firm A will obtain either the
first or second contract?
7: find value of n when
nC3 =nC4 (yahan 3 or 4 tha ya koi or number yad nai aa rha but ques ase e tha)
8: A dice is thrown, what is the probability that of prime number will appear in first throw and that a num less than 5 in second throw?
4: Given Net price of shirt = $20 , Discount = 10% , find List price
5: If a dice is thrown what is the chance of getting an odd number or a number divisble by
three?
6: Two firms compete for contracts.
A has probability of ¾ of obtaining one contract.
B has probability of ¼.
What is the probability that when they bid for two contracts, firm A will obtain either the
first or second contract?
7: find value of n when
nC3 =nC4 (yahan 3 or 4 tha ya koi or number yad nai aa rha but ques ase e tha)
8: A dice is thrown, what is the probability that of prime number will appear in first throw and that a num less than 5 in second throw?
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