(1) (Pattern1) Adding Triangular Numbers.

The numbers 1,3,6,10,15,21,28."……" are called triangular numbers. Let t_(n) denotes the bth triangular number such that t_(n)=t_(n-1)+n,AA n ge 2 . If (m+1) is the nth triangular number, then (n-m) is

The numbers 1,3,6,10,15,21,28."……" are called triangular numbers. Let t_(n) denotes the n^(th) triangular number such that t_(n)=t_(n-1)+n,AA n ge 2 . The number of positive integers lying between t_(100) and t_(101) are

The numbers 1,3,6,10,15,21,28."……" are called triangular numbers. Let t_(n) denotes the bth triangular number such that t_(n)=t_(n-1)+n,AA n ge 2 . The value of t_(50) is

Which of the following is not a Triangular number?

Recap|OMR|Patterns In Whole Numbers

In the question given below the numbers given at the top follow a certain specific pattern. Study out the pattern and find out the missing number.

In the question given below the numbers given at the top follow a certain specific pattern. Study out the pattern and find out the missing number.

Without drawing a diagram,find 10 th square number (ii) 6th triangular number

1,3,6,10…..are triangular numbers . The smallest triangular number that exactly divisible by 9 is .