Table of Contents

- 1 What is the sum of all positive integers smaller than 1000?
- 2 What is the sum of the first 1000 positive integers in R?
- 3 What is the sum of the positive even integers less than 250?
- 4 What is the sum of first positive integers?
- 5 How many positive integers not exceeding 1000 are divisible by 3 or 5 or 7?
- 6 How many positive integers less than 1000 have sum of the digits as 19?
- 7 What is the sum of consecutive integers from N to N?
- 8 What is the sum of the first n numbers?

## What is the sum of all positive integers smaller than 1000?

+993+995+997+999=A+500. Thus if sum of all positive even integers less than 1000 is A, then sum of all odd integers less then 1000 is A+500.

## What is the sum of the first 1000 positive integers in R?

500500

Thus, the sum of the first 1000 positive integers is 500500.

**How many positive integers less than 1000 are divisible by 3?**

How many positive integers less than 1000 are divisible by 3 with their sum of digits being divisible by 7? Well, I got Answer: 28.

**How many positive integers are not exceeding 1000 are divisible by 7 or 11?**

Step-by-step explanation: ==>the number of positive integers less than 1000 that are divisible by either 7 or 11 is 142 + 90 – 12 = 220.

### What is the sum of the positive even integers less than 250?

Answer: The sum of all the even integers between 2 and 250 is 15,750. To find this sum, we start by recognizing that this is an arithmetic sequence…

### What is the sum of first positive integers?

Also, the sum of first ‘n’ positive integers can be calculated as, Sum of first n positive integers = n(n + 1)/2, where n is the total number of integers.

**How do you find the sum of the first 1000 integers?**

Activity :- Let 1 + 2 + 3 + …….. + 1000 Using formula for the sum of first n terms of an A.P., Sn = □ S1000 = □2(1+1000) = 500 × 1001 = □ Therefore, – Algebra. Find the sum of first 1000 positive integers.

**How many positive integers less than 1000 have the property that the sum of the digits of each number is divisible by 7 and the number itself is divisible by 3?**

How many positive integers less than 1000 have the property that the sum of the digits of each such number is divisible by 7 and the number itself is divisible by 3? Answer (28) Sol.

#### How many positive integers not exceeding 1000 are divisible by 3 or 5 or 7?

Number of digits divisible by 3, 5 and 7 altogether—- starting from 105 to 1000. Total 9. 675–47–28–66+9=543. So numbers which are not divisible by 3,5 and 7 are 1000–543=457.

#### How many positive integers less than 1000 have sum of the digits as 19?

Answer: I think correct answer is 28.

**How many positive integers less than 1000 are divisible by 7?**

==>the number of positive integers less than 1000 that are divisible by either 7 or 11 is 142 + 90 – 12 = 220. ==>the number of positive integers less than 1000 that are divisible by exactly by one of 7 and 11 is 220 – 12 = 208.

**What is the sum of positive integers?**

The Sum of Positive Integers Calculator is used to calculate the sum of first n numbers or the sum of consecutive positive integers from n 1 to n 2 . The sum of the first n numbers is equal to:

## What is the sum of consecutive integers from N to N?

The sum of the first n numbers is equal to: n(n + 1) / 2. The sum of consecutive positive integers from n 1 to n 2 is equal to: n 1 + (n 1 + 1) + + n 2 = n 2(n 2 + 1) / 2 – n 1(n 1 – 1) / 2.

## What is the sum of the first n numbers?

The sum of the first n numbers is equal to: n (n + 1) / 2 The sum of consecutive positive integers from n 1 to n 2 is equal to: n 1 + (n 1 + 1) +… + n 2 = n 2 (n 2 + 1) / 2 – n 1 (n 1 – 1) / 2