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Coding & Decoding Expert 2 min

In a certain code, the first letter is moved one position forward, the second two positions forward, the third three positions forward and so on. How is ABCD coded?

Hint
Apply increasing shifts.

Answer

BDFH.

Explanation

A+1=B, B+2=D, C+3=F and D+4=H.

Step-by-Step Solution

A+1=B.
B+2=D.
C+3=F.
D+4=H.
Therefore ABCD→BDFH.
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