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Find out the missing letter in the given matrix. E C G A D A Z Y ?

Find out the missing letter in the given matrix. E C G A D A Z Y ? Correct Answer X

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In column 1, sum of square of positional value of first two letters is third letter

⇒ E2 + A2 = Z

⇒ 52 + 12 = 26

In column 2, sum of square of positional value of first two letters is third letter

⇒ C2 + D2 = Y

⇒ 32 + 42 = 25

Similarly in column 3, sum of square of positional value of first two letters will be third letter

⇒ G2 + A2 = ?

⇒ 72 + 12 =50

Z → 26

A → 27

B → 28

Similarly, X → 50

50 is the positional value of X.

Hence, X is the missing letter.

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