Question

What is the next row of numbers ?

(C) 18, 38, 621​

Answer 1

3 1 2 2 1 1

1 3 1 1 2 2 2 1

Line 1 is ‘Two ones’ (2 1)

Line 2 then becomes ‘One two, and one one’ (1 2 1 1)

Line 3 therefore is ‘One one, one two and two ones’ (1 1 1 2 2 1)

Line 4 is ‘Three ones, two twos and one one’ (3 1 2 2 1 1)

Line 5 is ‘One three, one one, two twos and two ones’ (1 3 1 1 2 2 1 1)