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If 3 is the first triangular number, which is the tenth one? - Play, Do, Learn

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Question

If 3 is the first triangular number, which is the tenth one?

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Solution

66 is the tenth triangular number.

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Introduction to Patterns

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Chapter 15: Patterns - Problem Set 53 [Page 84]

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Balbharati Mathematics [English] 5 Standard Maharashtra State Board

Chapter 15 Patterns
Problem Set 53 | Q 5 | Page 84

Balbharati Integrated 5 Standard Part 4 [English Medium] Maharashtra State Board

Chapter 3.3 Patterns
Problem Set 53 | Q 5. | Page 48

RELATED QUESTIONS

Find the square numbers from the list given below.

5, 9, 12, 16, 50, 60, 64, 72, 80, 81

Which are the triangular numbers in the given list?

3, 6, 8, 9, 12, 15, 16, 20, 21, 42

Name a number that is square as well as triangular.

If 4 is the first square number, which is the tenth one?

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