BRAIN TEASERS

Can you bend your brain around this set of mathematical, lexical and logistical teasers?

1 NASA have recently named four asteroids after celebrities. Dillon is as large as Coleman and Baldwin combined at a millionth the size of the moon. Coleman is larger than Baldwin. Agassi is a million times smaller than Earth. Can your put these asteroids in size order?

2 Add three-letter connected items to make words: SE?IC, HON?Y, M?LED, AW?LY, BR?LE

3 Remove the letters of a noble gas, then those of a halogen, to leave those of an alkali metal: NNIOINMDDXISOOEUE

4 The difference between two positive numbers is three. The difference between their squares is 63. What are the two numbers?