Serial no

Product of odd numbers (A)

Value of B

Value of C

Final expression

1

21 = 3 × 7

20

29

212 + 202 = 292

2

15 = 3 × 5

8

17

82 + 152 = 172

3

27 = 9 × 3

36

45

272 + 362 = 452

4

39 = 3 × 13

80

89

392 + 802 = 892

5

45 = 15 × 3

78

87

452 + 782 = 872

6

69 = 23 × 3

260

269

692 + 2602 = 2692

7

747 = 83 × 9

3404

3485

7472 + 34042 = 34852

8

891 = 99 × 9

4860

4941

8912 + 48602 = 49412