Question 17

If CAB = 12 and FED = 30, then HIDE =

Solution

The pattern followed is:

(C + A + B) x 2 = (3 + 1 + 2) x 2 = 6 x 2 = 12

(F + E + D) x 2 = (6 + 5 + 4) x 2 = 15 x 2 = 30

(H + I + D + E) x 2 = (8 + 9 + 4 + 5) x 2 = 26 x 2 = 52

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