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Number Sequences Question 1 of 10

What is the next number: 5, 11, 23, 47, ?

Number Sequences Question 2 of 10

Halving fractions: 1/2, 1/4, 1/8, 1/16, ?

Number Sequences Question 3 of 10

Cubes progression: 1, 8, 27, 64, 125, ?

Number Sequences Question 4 of 10

Powers of 3 differences: 2, 3, 6, 15, 42, ?

Number Sequences Question 5 of 10

Find the next number: 0, 3, 8, 15, 24, ?

Number Sequences Question 6 of 10

Sequence: 1, 3, 6, 10, 15, 21, ?

Number Sequences Question 7 of 10

Fibonacci of cubes or sum: 1, 2, 4, 7, 12, 20, ?

Number Sequences Question 8 of 10

Alternating series: 80, 40, 60, 30, 50, ?

Number Sequences Question 9 of 10

Consecutive Prime numbers: 23, 29, 31, 37, 41, ?

Number Sequences Question 10 of 10

Descending arithmetic progression: 105, 96, 87, 78, 69, ?