Which letter-cluster will replace the question mark (?) in the following series? GSA, KWE, ?, SEM, WIQ |
OBH OAI PAJ PAI |
OAI |
Given, GSA, KWE, ?, SEM, WIQ It is visible that every next term is +4 more than the previous term at the same place. Hence, the required term is OAI. |