The given terms can be divided into two sections. First section is for the numbers and the second one for the letters. 1st section: 1, 2, 3, and 4 2nd section: I, L, F I is the 9th letter in the alphabet, L is the 12th letter, and F is the 6th letter in the alphabet. The pattern observed: I to L: 12 - 9 = 3 L to F: 6 - 12 = -6 Next letter should be +9. This means that the letter should be 9 places higher than F. The letter should be O which is the 15th letter.
What is the next value 1I2L3F4