Question

8+6=24or9+4=52 or5+7=84 then12+5??​

Answer 1

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Answer 2

Answer:

12 + 5 = -36

Step-by-step explanation:

Given,

8 + 6 = 24

=> Lets assume 14" = 24

9 + 4 = 52

=> Lets assume 13" = 52

5 + 7 = 84

=> Lets assume 12" = 84

To find : 12 + 5

Lets assume 12 + 5 = 17"

12" - 13" = 84 - 52 = 32 = 4 × 8

13" - 14" = 52 - 24 = 28 = 4 × 7

The trend is that, the difference of the sum is in the descending order of multiplication table of 4.

The difference in 14" and 15" then must be 4 × 6 = 24

The difference in 15" and 16" then must be 4 × 5 = 20

The difference in 16" and 17" must be 4 × 4 = 16

So, 14" = 24

15" = 24 - 24 = 0

16" = 0 - 20 = -20

17" = -20 - 16 = -36.

Therefore, 12 + 5 = -36 ( in this case )