Q: The smaller of two triangular numbers whose sum and difference are also triangular numbers?

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The answer would be 15 and 21. The triangular numbers are 1,3,6,10,15,21,28,36,45,55,66,78. 15 plus 21 is 36 which is on the list. 21 minus 15 is 6 and that is on the list as well.

The two numbers whose sum is 58 and whose difference is 16 are 21 and 37.

If you're looking for two numbers whose difference is 152, there are an infinite number of solutions. Try 155 and 3.

The answer is 47-13=34

No. Consider 0 and 1. Or negative numbers, whose sum produces a smaller number.

Consecutive numbers are whole numbers whose difference is 1.

2 and 1 .their sum is 3 .difference is 1

31 and 20

31 and 18

53 and 22..

40 and 12.

5 and 3 are two numbers less than 7, whose difference is 2.

-76 and 76 whose product is -5776.

37 and 21

28 and 36

6 & 4

29 and 36

22 and 26

19 and 34

20 & 3

18 and -6.

10 and 16.

12 and 24?

451 299

100.9-75.3

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The smaller of two triangular numbers whose sum and difference are also triangular numbers?

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