If we combine two consecutive triangular numbers, we get?(a) Rational Number(b) Whole Number(c) Perfect Square(d) Prime NumberI got this question in exam.My question is based upon Patterns in Squares topic in section Squares and Square Roots of Mathematics – Class 8

If we combine two consecutive triangular numbers, we get?(a) Rational

1.	If we combine two consecutive triangular numbers, we get?(a) Rational Number(b) Whole Number(c) Perfect Square(d) Prime NumberI got this question in exam.My question is based upon Patterns in Squares topic in section Squares and Square Roots of Mathematics – Class 8
Answer» The CORRECT CHOICE is (c) Perfect Square To elaborate: If we combine two CONSECUTIVE triangular numbers, we get a square number, like 1 + 3 = 4 = 2^2 HENCE, we get a perfect square when we add two consecutive triangular numbers. Here options other than Perfect Square are incorrect.

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