Fun Math Riddle: If A x 4 = E… Then, E = ?

You would need a pen & paper to solve this riddle.


Solve the given equations and find the value of E.

If;

A x 4 = E

B / 4 = E

C + 4 = E

D – 4 = E

A + B + C + D = 100

Then;

E = ?

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One Reply to “Fun Math Riddle: If A x 4 = E… Then, E = ?”

  1. A×4 = E, so A = E/4
    B/4 = E, so B = 4E
    C+4 = E, so C = E-4
    D-4 = E, so D = E+4
    and
    A+B+C+D=100.

    now substitute the values that we got of A, B, C and D in the equation, to get,
    (E/4) + 4E + E-4 + E+4 = 100
    (E/4) + 4E + 2E = 100
    (E/4) + 6E = 100
    (E+24E)/4 = 100
    E+24E = 100×4
    25E = 400
    E = 400/25
    E = 16

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