Sum of First N Natural Numbers
Trending Questions
Q. __
If the sum of the first 14 terms of an AP is 1050 and its first term is 10, find the 20th term.
Q.
Sum of first 10 terms in 2, 4, 6, 8, ... is
100
98
105
110
Q. Find the sum to 100 terms of the series:
1 + 4 + 7 + 5 + 13 + 6 ...
1 + 4 + 7 + 5 + 13 + 6 ...
- 7825
- 8825
- 9825
- 10825
Q. Extending the same logic you’ve seen in the video so far, find out the sum of the first 10 natural numbers
(Consider S10=1+2+3+…+10 to proceed.).
(Consider S10=1+2+3+…+10 to proceed.).
- 110
- 55
- 66
- 220
Q.
Find the sum of first n natural numbers.
n(2n−1)2
n(2n+1)2
2n+12
n(n+1)2
Q.
Find the sum of all odd numbers between 0 and 50.
625
675
700
650
Q.
What is the sum of the first 50 natural numbers?
2550
1275
3000
3250
Q. The 4th term of an AP is 9 and the 9th term of the AP is 34. The sum of the first 10 terms of the AP is ___
Q.
To find the sum of the first 24 terms of an AP whose nth term is given by an=3+2n, what is the best approach to solve this question?
- Find the first term and the common difference.
- List out the first 24 terms using the expression for nth term and add them.
- Data insufficient - we need the value of “first term” to be given.
- Data insufficient - we need the value of “common difference” to be given.
Q.
The sum of the first 1000 positive integers is ___.
50051
500500
50050
5005