What are the sums of 15?

The sum of all factors of 15 is 24 and its factors in Pairs are (1, 15) and (3, 5).

What two numbers make 15?

15 = 1 x 15 or 3 x 5. Factors of 15: 1, 3, 5, 15.

What pairs add up to 15?

For example, one number pair for 15 is 7 and 8. Notice how 7 plus 8 equals 15. Another number pair for 15 is 11 and 4. 11 plus 4 equals 15.

What two numbers have the sum of 15?

1 Answer. The numbers are 3 and 12 .

What is the sum of 15 natural numbers?

Therefore, 120 is the sum of positive integers upto 15.

Sum of n Even,odd Natural numbers

What three numbers add up to 15?

Another approach is to consider the ways to obtain 15 as a sum of 3 different numbers in the range 1.. 9. These are: 1+5+9, 1+6+8, 2+4+9, 2+5+8, 2+6+7, 3+4+8, 3+5+7, 4+5+6. As you can see there are only 8 ways, and you need 8 different sums in your square.

What two numbers have a sum of 15 and a difference of one?

So 7 plus 8 will give you 15 and when you subtract 7 from 8 that will give you 1.

What is the sum of the first 15 odd numbers?

So Sum of first 15 odd numbers is 15² = 225.

What has a sum of 15 and a difference of 3?

Hence, the two numbers are 9 and 6.

What are factors of 15?

There are four factors of 15, i.e, 1, 3, 5 and 15. Hence, the smallest factor is 1 and the greatest factor of 15 is 15, itself. The sum of all factors of 15 is equal to 24. Pair factors of 15 are the integers that give the original number 15 when multiplied together in pairs.

What is the common factor of 15?

The factors of 15 are 1, 3, 5, and 15.

Which of the following numbers 15 is the multiple?

The first 5 multiples of 15 are 15, 30, 45, 60 and 90.

What is 15th even number?

2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30 are even numbers. Odd numbers always end with a digit of 1, 3, 5, 7, or 9. 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31 are odd numbers.

What is the average of first 15 even numbers?

Detailed Solution

Average of any AP median of that series. So, the 8^th term of series is 16. Average of first 15 even numbers = 240/15 = 16.

What is the sum of two number?

The sum is an Arithmetic operation that results in the addition of 2 values to get the final value. Let the first number be X and the second be Y. Adding X and Y, we get the resultant as, X + Y = Z.

What is the sum of 35 and the difference of 15?

This simplifies to 15+2y=35 by adding the y's. We can subtract 15 from both sides to get 2y=35-15, which is 2y=20. Then divide both sides by 2 to get y=10.

What three numbers multiplied equal 15?

1 x 15 = 15. 3 x 5 = 15. 5 x 3 = 15. 15 x 1 = 15.

What is the meaning of sum of?

1 : an amount of (money) I paid the sum of $500. 2 : the result of (adding two or more numbers together) The sum of 5 and 7 is 12. 3 : all there is of : the whole amount of Working odd summer jobs has been the sum of my experience so far.

What 3 single digits add up to 16?

6 + 7 + 3 = 16. Here we have the example of adding the three single-digit numbers 8 + 9 + 2.

What is the natural number of 15?

R D Sharma - Mathematics 9

The first 15 natural numbers are 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15.

What are the first 15 whole numbers?

The first 15 whole numbers are 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15.