THE CHRISTMAS TREE PUZZLE

The answer of the above equation is 26.

Explaination:

Let the Christmas trees with stars be, Cs

& Christmas tree without star be, C

Christmas tree with 5 layers Ce & 6 layer be Cf

Let the wheels be, W

& Star be, S. divisions are mentioned according to alphabets,

Like wheel with 6 divisions as Wf & with 5 divisions We.

Now, rewriting the equations in C, W & S terms.

Equation (1); Ce + Ce + Ce = 21

Equation (2); Wf + Wf + Cs = 19

Equation (3); S + Wf + Cs = 15

Equation (4); Cf + 2S * We =?

So, initiating with equation (1),

Cs + Cs + Cs = 21

3Cs = 21

Cs = 7

Now substitute Cs value in equation (2),

Wf + Wf + Cs = 19

2 Wf + 7 = 19

2 Wf = 12

Wf = 6

So, wheel with 6 divisions, be 6 & so 1 division = 1

Now, solve equation (3).

S + Wf + Cs = 15

S + 6 + 7 = 15

Star, S = 2

So, we can calculate the value of the Christmas tree without stars easily,

Cs = C + S

C = 7 – 2

C = 5,

Similarly, if Christmas trees (5 layers) = 5

So, 1 layer = 1

So Christmas tree without star will be of 6 layers

& Final equation will be,

Cf + 2S * We =?

= 6 + (2 + 2) * 5

= 6 + 4 * 5

Cf + 2S * We = 6 + 20

Cf + 2S * We = 26

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