A set of numbers (a1,a2,a3,.....,a 2015) has 2015 different numbers. The average of this set is 25. The average of the set (a1,a2,a3,.....,a 2015,25) is.........
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The average of five different natural numbers is 4. If the different between the largest and smallest of these numbers is as large as possible, what is the average of the other three numbers?
The average of five different natural numbers is 4. If the different between the largest and smallest of these numbers is as large as possible, what is the average of the other three numbers?
The average of five different natural numbers is 4. If the different between the largest and smallest of these numbers is as large as possible, what is the average of the other three numbers?
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Question 9:
The average of five different natural numbers is 4. If the different between the largest and smallest of these numbers is as large as possible, what is the average of the other three numbers?
The average of five different natural numbers is 4.If the difference between the largest and smallest of these numbers is as large as possible,what is the average of the other three numbers?
Given five numbers, the average of two numbers is 17 and the average of the other three numbers is 12. The average of all these numbers is…
la 14 vi 17 x 2 = 34
12 x 3 = 36
36+34 = 70
70 : 5 = 14
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Consider the set of the first one hundred natural numbers {0,1,2,3,…,99}. Let k be the sum of digits of a number in the set. Find the value of k such that the number of numbers whose digits add up to the same value is a maximum.
Hãy xem xét các thiết lập của một trăm số tự nhiên đầu tiên {0,1,2,3, ..., 99}. K là tổng các chữ số của một số trong các thiết lập. Tìm giá trị của k như vậy mà số lượng các số có chữ số thêm đến các giá trị tương tự là cực đại.
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Câu 1:A is a set of multiples of 12 less than 12. How many elements does the set A have?Answer: The set A has element(s)Câu 2:Find the remainder when is divided by 9.Answer: The remainder is Câu 3:Find the remainder of when it is divided by 3.Answer: The remainder is Câu 4:A is the set of factor of 12 more than 6. How many elements does the set A have?Answer: The set A has element(s)Câu 5:Find the natural number so that the product of and 5 is a prime number.Answer: Câu 6:Given that . How...
Đọc tiếp
Câu 1:
A is a set of multiples of 12 less than 12. How many elements does the set A have?
Answer: The set A has element(s)
Câu 2:
Find the remainder when is divided by 9.
Answer: The remainder is
Câu 3:
Find the remainder of when it is divided by 3.
Answer: The remainder is
Câu 4:
A is the set of factor of 12 more than 6. How many elements does the set A have?
Answer: The set A has element(s)
Câu 5:
Find the natural number so that the product of and 5 is a prime number.
Answer:
Câu 6:
Given that . How many divisors does the number A have?
Answer: The number A has divisors.
Câu 7:
Given that . How many divisors does the number A have?
Answer: The number A has divisors.
Câu 8:
How many prime numbers less than 10 are there?
Answer: There are numbers.
Câu 9:
Find the greatest 2-digit number that has 12 divisors.
Answer: It is
Câu 10:
Among all natural number pairs satisfy , one pair has the greatest product. What is this product?
Answer: The greatest product is
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the average of five numbers is 20. The average of the five numbers is 18 when one of the numbers is changed to 4. What is the original value of the changed numbers
Trả lời
( 20 x 5 ) - ( 18 x 5 ) = 10
10 + 4 = 14
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