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1) If NOIDA is written as OPJEB, then what will be the code for DELHI?
Explanation :
Each letter in the word NOIDA is moving one step forward and forms the code OPJEB. Similarly, if the letters of the word DELHI moves one step forward, then D will be written as E, E as F, L as M, H as I, and I as J. So, the code for DELHI will be EFMIJ.