12. How many 5-digit numbers are there in which three of the digits are 7, or two of the digits are 2?
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Q: 1. How many 3 - digit numbers less than 150 can be formed from the digits 0, 3, 4, 6, and 9?
A: There are 5 digits that need to be used for required number formation. The number less than 150…
Q: 2. How many 3-digit numbers with no repeated didgits using 4,5,6,7,8 can be a) Less than 520 b)…
A: Number digit numbers with no repeated didgits using 4,5,6,7,8=P53=60 This is less than 520.
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A: We have to form 3 digit numbers less than 500 with last digit is either 4 or 5
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Q: 3. How many 3-digit numbers are there that are divisible either by 5, 7 or 9?
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Q: 9. How many ordered sets of 3 even numbers are there that will add up to 60? How many different ways…
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A: Hi! Thank you for the question As per the honor code, We’ll answer the first question since the…
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A: The number of all combination of n things, taken r at time is given by:
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A: To distribute n things in k places, the formula is n+k-1k-1
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Q: In how many ways can you place 9 different books on a shelf if there is space enough for only 5…
A: Given, 9 different books on a shelf and there is space only for 5 books.
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A: HERE AS PER GUIDELINES I HAVE CALCULATED FIRST MAIN QUESTION here use counting principle
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Q: In a birthday party, 2/3 of the children were 8 years old, 2/3 of the remaining are 9 years old, and…
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A: In order to get the result we have to calculate total no.of permutation.
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Q: 23. How many ways may 5 students be elected from a club with 45 members? 24.How many two-digit…
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A: Given Number 8,633,333.
Q: 11:54: If n EN andn<2000, how many numbers n have the property that the sum of the digits of n and…
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Q: How many 4-digit numbers can be formed from the digits 0,1,2,3,4,5,6,7 and 8, if each digit can be…
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Q: 2. In how many ways can six students be seated in a row of six seats if two of the students insist…
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Q: 1. How many numbers less than 10,000 are not multiples of 2, 3 or 5?
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A: As per Bartleby guideline expert have to answer first question only..
Q: 7. How many numbers less than 7000, with no repeated digits can be formed by use of the digits 0, 3,…
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Q: How many three-digit numbers can be constructed from the digits 0, 3, 4, 5, 6, 8, 9 if: a)…
A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: 2. In how many ways can the 7 Harry Potter books be arranged shelf? on a
A: The objective is to find the number of ways to arrange 7 Harry Potter books on the shelf.
Q: You are to form 3-digit numbers from the digits 1 to 5. How many 3 digit numbers can be formed if a)…
A: Solution of given question is written in below steps.
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Q: 6. From the digits 0, 1, 2, 3, 4, 5 and 6, how many three digits numbers can be performed if no…
A: Given digits are : 0,1,2,3,4,5,6 Total = 7 digits
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A: The term per cent means for every hundred. A fraction whose denominator is 100 is called a…
Q: 2) How many numbers are there between 6000 and 7000 which have exactly one of their digits as 7?
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Q: In how many ways can the digits in the number 2,848,484 be arranged?
A: The given number is "2848484". We have to find the number of ways in which the given number can be…
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