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What’s the next number? Write it in full.
a) 2, 4, 6, eight
b) 3, 6, 9,
c) 10, 20, 30, 40,
d) 35, 45, 55, 65,
e) 21, 32, 43, 54,
f) 90, 82, 74, 66,
g) 24, 36, 48, 60,
h) 2, 5, 9, 14,