1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard VIII
Mathematics
Verifying the Given Number is Cube Number
What are the ...
Question
What are the first 5 triangular numbers?
Open in App
Solution
The first 5 triangular numbers are 1, 3, 6, 10 and 15.
Suggest Corrections
10
Similar questions
Q.
What are square and triangular numbers?
Q.
Find the first five triangular numbers.
Q.
The nth triangular number is defined to be the sum of the first
n
positive integers. For example, the
4
t
h
triangular number is
1
+
2
+
3
+
4
=
10
. In the first
100
terms of the sequence
1
,
3
,
6
,
10
,
15
,
21
,
28
of triangular numbers, how many are divisible by
7
?
Q.
What are the first 5 square numbers?
Q.
What are the number of faces in a triangular pyramid?
__
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Verifyimg the given number is cube number -
MATHEMATICS
Watch in App
Explore more
Verifying the Given Number is Cube Number
Standard VIII Mathematics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app