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5 + 10+15+20=50 ans
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∙ 2010-06-15 07:32:02
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What is the sum of all the multiples of 3 and 5 below 500?
The sum of all multiples of 3 below 500 is the sum of 3 + 6 + ... + 498 = 41583The sum of all multiples of 5 below 500 is the sum of 5 + 10 + ... + 495 = 24750Depending upon the interpretation of "of 3 and 5", the answer is one of:The sum of all multiples of both 3 and 5 below 500 is the sum of 15 + 30 + ... + 495 = 8415The sum of all multiples of 3 below 500 and all multiples of 5 below 500 is 41583 + 24750 = 66333Since the multiples of both 3 and 5 (that is 15, 30, ...) have been counted twice - once in the multiples of 3 and once in the multiples of 5 - the sum of all multiples of 3 or 5 or both below 500 is 41583 + 24750 - 8415 = 57918I have emphasised the word below with regard to 500 since 500 is a multiple of 5, but 500 is not below (less than) itself, that is the multiples are of the numbers 1, 2, 3, ..., 499. If the question was intended to mean less than or equal to 500, add an extra 500 to the multiples of 5 above, making the sum of the multiples of 5 be 25250 and the final sums (1) 8415, (2) 66833, (3) 58418.
What is the sum of first seven multiples of 5?
5 + 10 + 15 + 20 + 25 + 30 + 35 = 140 ANSWER = 140
Identify the first three common multiples of 4 and 5?
write the first three common. multiples of 3,4,5
List the first 4 multiples of 5?
5, 10, 15, 20
What is the sum of all 2-digit multiples of 5?
-3
What is the sum of the first 5 multiples of 5?
75
Plus the first 4 multiples of 5?
50 By plus i assume you mean sum. The first four multiples of 5 are 5,10,15, and 20 5+10+15+20=50
What is the sum of the first 5 multiples of 6?
90
What is the sum of the first 3 multiples of 5?
30
What 4 numbers are multiples of 5 and their sum is 80?
25,20,5,30
What are the first three multiples of 4 and 5?
The first 3 multiples of 4 are: 4, 8, and 12.The first 3 multiples of 5 are: 5, 10, and 15.
What are the first 5 multiples of 4?
The first 5 multiples of 4 are 4, 8, 12, 16, then 20.
What are the first 5 common multiples of 4 and 20?
The first 5 multiples of 4 and 20 are 20, 40, 60, 80, 100
First five multiples of 1?
The first 5 multiples of 1 are: 1, 2, 3, 4, and 5.
What are the the first five multiples of the number 1?
The first 5 multiples of 1 are: 1, 2, 3, 4, and 5.
What 4 numbers are multiples of 5 all numbers are odd their sum is 80 what are the numbers?
5, 15, 25, 35
What is the sum of all the multiples of 3 and 5 below 500?
The sum of all multiples of 3 below 500 is the sum of 3 + 6 + ... + 498 = 41583The sum of all multiples of 5 below 500 is the sum of 5 + 10 + ... + 495 = 24750Depending upon the interpretation of "of 3 and 5", the answer is one of:The sum of all multiples of both 3 and 5 below 500 is the sum of 15 + 30 + ... + 495 = 8415The sum of all multiples of 3 below 500 and all multiples of 5 below 500 is 41583 + 24750 = 66333Since the multiples of both 3 and 5 (that is 15, 30, ...) have been counted twice - once in the multiples of 3 and once in the multiples of 5 - the sum of all multiples of 3 or 5 or both below 500 is 41583 + 24750 - 8415 = 57918I have emphasised the word below with regard to 500 since 500 is a multiple of 5, but 500 is not below (less than) itself, that is the multiples are of the numbers 1, 2, 3, ..., 499. If the question was intended to mean less than or equal to 500, add an extra 500 to the multiples of 5 above, making the sum of the multiples of 5 be 25250 and the final sums (1) 8415, (2) 66833, (3) 58418.
