Fill in the missing number in sequence.
Decode the codes. The letters come just before them in the English alphabet.
SFE – RED (RS EF DE)
What comes next in the sequence: 57, 67, 77, 87, 97, ______ ?
Identify the next number: 63, 73, 83, 93, 103, ______ ?
What comes next in the sequence: 21U, 20T, 19S, 18R, 17Q, ______ ?
What is the next term in this pattern: 12L, 14N, 16P, 18R, 20T, ______ ?
What number completes the sequence: 41, 10, 51, 20, 71, ______ ?
What is the missing number: 15, 30, 45, 60, 75, ______ ?
What number comes after: 11, 22, 33, 44, 55, ______ ?
Find the next number: 111, 222, 333, 444, 555, ______ ?
