1. 8B6D2A4C3 = 15
  2. 8A8B8C8 = -­48
  3. 9C9B9D9A9 = 17
  4. 3A3B3C3A3D3 = 4
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1 Answers

Option 2 : 8A8B8C8 = -­48

Letters

A

B

C

D

Symbols

+

-

×

÷

 

Let’s check the given options:

1) 8B6D2A4C3 ⇒ 8 - 6 ÷ 2 + 4 × 3

⇒ 8 - 3 + 12 = 17

Hence, it is false.

2) 8A8B8C8 ⇒ 8 + 8 - 8 × 8

⇒ 8 + 8 - 64 = 16 - 64 = -48

Hence, it is true.

3) 9C9B9D9A9 ⇒ 9 × 9 - 9 ÷ 9 + 9

⇒ 9 × 9 - 1 + 9 = 81 + 8 = 89

Hence it is false.

4) 3A3B3C3A3D3 ⇒ 3 + 3 - 3 × 3 + 3 ÷ 3

⇒ 3 + 3 - 3 × 3 + 1 = 3 + 3 - 9 + 1 = -2

Hence it is false.

Hence the correct equation is 8A8B8C8 = -48.

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