1.

In the question given below whichone number can be placed at the signof interrogation?841/78422519684729169

Answer»

15² = 22514² = 19613² = 16913 + 14 + 15 = 42

27² = 72928² = 78429² = 84127 + 28 + 29 = 84

Herethey are following a certain analogy as15² = 22514² = 19613² = 16913 + 14 + 15 = 42so 42 will be the answer to this

27² = 72928² = 78429² = 84127 + 28 + 29 = 84 so this is in middle



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