Home
Class 12
MATHS
The natural numbers are written as follo...

The natural numbers are written as follows :

The sum of numbers in the nth row is :

Text Solution

Verified by Experts

The correct Answer is:
`(n)/(2) (n^(2) + 1)`
Promotional Banner

Topper's Solved these Questions

  • PROGRESSIONS

    ML KHANNA|Exercise PROBLEM SET - 5 (MULTIPLE CHOICE QUESTIONS) |92 Videos

  • PROGRESSIONS

    ML KHANNA|Exercise PROBLEM SET - 5 (Assertion/Reason) |1 Videos

  • PROGRESSIONS

    ML KHANNA|Exercise PROBLEM SET - 4 (TRUE AND FALSE) |1 Videos

  • PROBABILITY

    ML KHANNA|Exercise MISCELLANEOUS EXERCISE|6 Videos

  • PROPERTIES OF TRIANGLES

    ML KHANNA|Exercise Self Assessment Test (Multiple Choise Questions)|34 Videos

Similar Questions

Explore conceptually related problems

84. The natu The natural numbers are written as follows 2 3 7 8 9 10 th The sum of the numbers in the n" row is (A) (n2-1)

The sequence N of natural numbers is divided into classes as follows.Show that the sum of the numbers in nth row is (2n^(2)+1)

Two different two-digit natural numbers are written beside each other such that the larger number is written on the left. When the absolute difference of the two numbers is subtracted from the four-digit number so formed, the number obtained is 5481. What is the sum of the two two-digit numbers?

EXAMPLE 3 A magic square is an array of numbers having the same number of rows and columns and the sum of the numbers in a row column and the sum of the numbers in each row column or diagonal being the same.Fill in the blank cells of the following magic square.

The natural numbers arearranged innthe form given below The rth group containing 2^(r-1) numbers. Prove that sum of the numbers in the nth group is 2^(n-2)[2^(n)+2^(n+1)-1] .

There is certain number of rows of chairs in a room .The number of chairs in each row is thrice the total number of rows. Find the number of charis in each row and number of rows in the room if the total number of chairs is 2187

The sum of a natural number and its square is 156. Find the number.