Select the letter-cluster that can replace the question mark (?) in the following series. EFY, FID, GLI, HON, IRS,?

| Question | Select the letter-cluster that can replace the question mark (?) in the following series. EFY, FID, GLI, HON, IRS,? | |
| Type | multiple_choice | |
| Option | KUX | incorrect |
| Option | KQY | incorrect |
| Option | JVY | incorrect |
| Option | JUX | correct |
| Solution | +1, +3 , +5 series | |