Fun Brain Teaser: If A + A = B; Then A + B + C + D = ?
Try this easy riddle. Try to answer it fast.
If,
A + A = B,
B + B = D &
A + B = C
Find the value of;
A + B + C + D = ?
Did you get the answer within 5 seconds?
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Answer:
This can be solved by substituting letter with their corresponding numbers.
| A | B | C | D | E | F | G | H | I | J | K | L |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
So let’s convert it in the given equations and see;
A + A = 1 + 1 = 2 = B,
B + B = 2 + 2 = 4 = D &
A + B = 1 + 2 = 3 = C
Therefore;
A + B + C + D = 1 + 2 + 3 + 4 = 10 = J
Answer = J