ANSWERS FOR HARDER QUIZ 2
1.) 5, 14 - each number is the letter value (A=1, B=2 etc) of the first letter of the consecutive numbers when written out in full (ONE, TWO etc)
2.) 3, 2 - the sequence is as follows: There is 1 number between the two 1s, 2 between the two 2s, 3 between the two 3s and 4 between the two 4s.
3.) 20, 21 - the numbers, written down in full form all begin with the letter 'T'
4.) 20, 5 - the letters are the letter value of the last letter of the numbers when written out in full (see question 1)
5.) 5040, 40320 - the second number is the first x1, the third is the second x2, the fourth is the third x3 etc
6.) P, O - they are the first and last letters of the planets in order from Mercury to Pluto.
7.) O, D - they are the first letters of the months in the year with 31 days
8.) Q, R - they are the letters which have curly lines, as opposed to only straight lines
9.) I, V - they are the first letters of the colours of the rainbow
10.) X, Y - they are the letters of the alphabet, in order, which have symmetry about the vertical axis.